Home / 41,118.82-61,613.62-31,781.70

Finding the Fourth Proportional to 41,118.82, 61,613.62 and 31,781.70

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Solution

The fourth proportional to 41,118.82, 61,613.62 and 31,781.70 is: 47,622.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,118.82 : 61,613.62 = 31,781.70 : x
  2. Step 2: Convert to fraction form
    41,118.82/61,613.62 = 31,781.70/x
  3. Step 3: Cross multiply
    41,118.82x = 61,613.62 × 31,781.70
  4. Step 4: Simplify right side
    41,118.82x = 1,958,185,586.75
  5. Step 5: Solve for x
    x = 1,958,185,586.75/41,118.82
  6. Step 6: Final answer
    x = 47,622.61

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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.