Home / 29,531.72-40,753.18-16,103.06

Finding the Fourth Proportional to 29,531.72, 40,753.18 and 16,103.06

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Solution

The fourth proportional to 29,531.72, 40,753.18 and 16,103.06 is: 22,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,531.72 : 40,753.18 = 16,103.06 : x
  2. Step 2: Convert to fraction form
    29,531.72/40,753.18 = 16,103.06/x
  3. Step 3: Cross multiply
    29,531.72x = 40,753.18 × 16,103.06
  4. Step 4: Simplify right side
    29,531.72x = 656,250,902.73
  5. Step 5: Solve for x
    x = 656,250,902.73/29,531.72
  6. Step 6: Final answer
    x = 22,221.90

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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.