Home / 71,026.31-98,013.23-38,760.11

Finding the Fourth Proportional to 71,026.31, 98,013.23 and 38,760.11

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Solution

The fourth proportional to 71,026.31, 98,013.23 and 38,760.11 is: 53,487.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,026.31 : 98,013.23 = 38,760.11 : x
  2. Step 2: Convert to fraction form
    71,026.31/98,013.23 = 38,760.11/x
  3. Step 3: Cross multiply
    71,026.31x = 98,013.23 × 38,760.11
  4. Step 4: Simplify right side
    71,026.31x = 3,799,002,892.39
  5. Step 5: Solve for x
    x = 3,799,002,892.39/71,026.31
  6. Step 6: Final answer
    x = 53,487.27

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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.