Home / 39,515.28-54,487.08-29,449.68

Finding the Fourth Proportional to 39,515.28, 54,487.08 and 29,449.68

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Solution

The fourth proportional to 39,515.28, 54,487.08 and 29,449.68 is: 40,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,515.28 : 54,487.08 = 29,449.68 : x
  2. Step 2: Convert to fraction form
    39,515.28/54,487.08 = 29,449.68/x
  3. Step 3: Cross multiply
    39,515.28x = 54,487.08 × 29,449.68
  4. Step 4: Simplify right side
    39,515.28x = 1,604,627,070.13
  5. Step 5: Solve for x
    x = 1,604,627,070.13/39,515.28
  6. Step 6: Final answer
    x = 40,607.76

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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.