Home / 41,778.91-62,655.94-12,188.80

Finding the Fourth Proportional to 41,778.91, 62,655.94 and 12,188.80

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Solution

The fourth proportional to 41,778.91, 62,655.94 and 12,188.80 is: 18,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,778.91 : 62,655.94 = 12,188.80 : x
  2. Step 2: Convert to fraction form
    41,778.91/62,655.94 = 12,188.80/x
  3. Step 3: Cross multiply
    41,778.91x = 62,655.94 × 12,188.80
  4. Step 4: Simplify right side
    41,778.91x = 763,700,721.47
  5. Step 5: Solve for x
    x = 763,700,721.47/41,778.91
  6. Step 6: Final answer
    x = 18,279.58

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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.