Home / 41,115.82-61,609.13-31,778.70

Finding the Fourth Proportional to 41,115.82, 61,609.13 and 31,778.70

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Solution

The fourth proportional to 41,115.82, 61,609.13 and 31,778.70 is: 47,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,115.82 : 61,609.13 = 31,778.70 : x
  2. Step 2: Convert to fraction form
    41,115.82/61,609.13 = 31,778.70/x
  3. Step 3: Cross multiply
    41,115.82x = 61,609.13 × 31,778.70
  4. Step 4: Simplify right side
    41,115.82x = 1,957,857,751.49
  5. Step 5: Solve for x
    x = 1,957,857,751.49/41,115.82
  6. Step 6: Final answer
    x = 47,618.11

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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.