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Finding the Fourth Proportional to 39,331, 59,010.54 and 18,281.08

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Solution

The fourth proportional to 39,331, 59,010.54 and 18,281.08 is: 27,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,331 : 59,010.54 = 18,281.08 : x
  2. Step 2: Convert to fraction form
    39,331/59,010.54 = 18,281.08/x
  3. Step 3: Cross multiply
    39,331x = 59,010.54 × 18,281.08
  4. Step 4: Simplify right side
    39,331x = 1,078,776,402.58
  5. Step 5: Solve for x
    x = 1,078,776,402.58/39,331
  6. Step 6: Final answer
    x = 27,428.15

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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.