Home / 34,753.14-52,129.68-13,971.78

Finding the Fourth Proportional to 34,753.14, 52,129.68 and 13,971.78

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Solution

The fourth proportional to 34,753.14, 52,129.68 and 13,971.78 is: 20,957.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,753.14 : 52,129.68 = 13,971.78 : x
  2. Step 2: Convert to fraction form
    34,753.14/52,129.68 = 13,971.78/x
  3. Step 3: Cross multiply
    34,753.14x = 52,129.68 × 13,971.78
  4. Step 4: Simplify right side
    34,753.14x = 728,344,420.43
  5. Step 5: Solve for x
    x = 728,344,420.43/34,753.14
  6. Step 6: Final answer
    x = 20,957.66

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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.