Home / 34,839.43-52,279.92-12,654.55

Finding the Fourth Proportional to 34,839.43, 52,279.92 and 12,654.55

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Solution

The fourth proportional to 34,839.43, 52,279.92 and 12,654.55 is: 18,989.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,839.43 : 52,279.92 = 12,654.55 : x
  2. Step 2: Convert to fraction form
    34,839.43/52,279.92 = 12,654.55/x
  3. Step 3: Cross multiply
    34,839.43x = 52,279.92 × 12,654.55
  4. Step 4: Simplify right side
    34,839.43x = 661,578,861.64
  5. Step 5: Solve for x
    x = 661,578,861.64/34,839.43
  6. Step 6: Final answer
    x = 18,989.37

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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.