Home / 39,892.89-59,839.15-10,308.21

Finding the Fourth Proportional to 39,892.89, 59,839.15 and 10,308.21

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Solution

The fourth proportional to 39,892.89, 59,839.15 and 10,308.21 is: 15,462.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,892.89 : 59,839.15 = 10,308.21 : x
  2. Step 2: Convert to fraction form
    39,892.89/59,839.15 = 10,308.21/x
  3. Step 3: Cross multiply
    39,892.89x = 59,839.15 × 10,308.21
  4. Step 4: Simplify right side
    39,892.89x = 616,834,199.46
  5. Step 5: Solve for x
    x = 616,834,199.46/39,892.89
  6. Step 6: Final answer
    x = 15,462.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.