Home / 39,402.29-59,070.17-18,331.46

Finding the Fourth Proportional to 39,402.29, 59,070.17 and 18,331.46

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Solution

The fourth proportional to 39,402.29, 59,070.17 and 18,331.46 is: 27,481.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,402.29 : 59,070.17 = 18,331.46 : x
  2. Step 2: Convert to fraction form
    39,402.29/59,070.17 = 18,331.46/x
  3. Step 3: Cross multiply
    39,402.29x = 59,070.17 × 18,331.46
  4. Step 4: Simplify right side
    39,402.29x = 1,082,842,209.03
  5. Step 5: Solve for x
    x = 1,082,842,209.03/39,402.29
  6. Step 6: Final answer
    x = 27,481.71

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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.