Home / 48,421.56-66,810-28,266.90

Finding the Fourth Proportional to 48,421.56, 66,810 and 28,266.90

Calculator

Solution

The fourth proportional to 48,421.56, 66,810 and 28,266.90 is: 39,001.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,421.56 : 66,810 = 28,266.90 : x
  2. Step 2: Convert to fraction form
    48,421.56/66,810 = 28,266.90/x
  3. Step 3: Cross multiply
    48,421.56x = 66,810 × 28,266.90
  4. Step 4: Simplify right side
    48,421.56x = 1,888,511,589
  5. Step 5: Solve for x
    x = 1,888,511,589/48,421.56
  6. Step 6: Final answer
    x = 39,001.46

Related Problems

Find fourth proportional to 24,210.78, 33,405 and 14,133.45
Half scale
Find fourth proportional to 96,843.12, 133,620 and 56,533.80
Double scale
Find fourth proportional to 48,422.56, 66,811.38 and 28,267.90
Similar ratio
Find fourth proportional to 72,632.34, 100,215 and 42,400.35
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.