Home / 55,081.56-76,012.56-29,931

Finding the Fourth Proportional to 55,081.56, 76,012.56 and 29,931

Calculator

Solution

The fourth proportional to 55,081.56, 76,012.56 and 29,931 is: 41,304.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,081.56 : 76,012.56 = 29,931 : x
  2. Step 2: Convert to fraction form
    55,081.56/76,012.56 = 29,931/x
  3. Step 3: Cross multiply
    55,081.56x = 76,012.56 × 29,931
  4. Step 4: Simplify right side
    55,081.56x = 2,275,131,933.36
  5. Step 5: Solve for x
    x = 2,275,131,933.36/55,081.56
  6. Step 6: Final answer
    x = 41,304.78

Related Problems

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.