Home / 30,939,426.72-46,182,033.06-28,659,348

Finding the Fourth Proportional to 30,939,426.72, 46,182,033.06 and 28,659,348

Calculator

Solution

The fourth proportional to 30,939,426.72, 46,182,033.06 and 28,659,348 is: 42,778,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,939,426.72 : 46,182,033.06 = 28,659,348 : x
  2. Step 2: Convert to fraction form
    30,939,426.72/46,182,033.06 = 28,659,348/x
  3. Step 3: Cross multiply
    30,939,426.72x = 46,182,033.06 × 28,659,348
  4. Step 4: Simplify right side
    30,939,426.72x = 1,323,546,956,814,045
  5. Step 5: Solve for x
    x = 1,323,546,956,814,045/30,939,426.72
  6. Step 6: Final answer
    x = 42,778,651.61

Related Problems

Find fourth proportional to 15,469,713.36, 23,091,016.53 and 14,329,674
Half scale
Find fourth proportional to 61,878,853.44, 92,364,066.12 and 57,318,696
Double scale
Find fourth proportional to 30,939,427.72, 46,182,034.55 and 28,659,349
Similar ratio
Find fourth proportional to 46,409,140.08, 69,273,049.59 and 42,989,022
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.