Home / 51,234.21-70,691.76-29,720.61

Finding the Fourth Proportional to 51,234.21, 70,691.76 and 29,720.61

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Solution

The fourth proportional to 51,234.21, 70,691.76 and 29,720.61 is: 41,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,234.21 : 70,691.76 = 29,720.61 : x
  2. Step 2: Convert to fraction form
    51,234.21/70,691.76 = 29,720.61/x
  3. Step 3: Cross multiply
    51,234.21x = 70,691.76 × 29,720.61
  4. Step 4: Simplify right side
    51,234.21x = 2,101,002,229.17
  5. Step 5: Solve for x
    x = 2,101,002,229.17/51,234.21
  6. Step 6: Final answer
    x = 41,007.80

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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.