Home / 41,778.71-62,670.11-13,687.38

Finding the Fourth Proportional to 41,778.71, 62,670.11 and 13,687.38

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Solution

The fourth proportional to 41,778.71, 62,670.11 and 13,687.38 is: 20,531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,778.71 : 62,670.11 = 13,687.38 : x
  2. Step 2: Convert to fraction form
    41,778.71/62,670.11 = 13,687.38/x
  3. Step 3: Cross multiply
    41,778.71x = 62,670.11 × 13,687.38
  4. Step 4: Simplify right side
    41,778.71x = 857,789,541.77
  5. Step 5: Solve for x
    x = 857,789,541.77/41,778.71
  6. Step 6: Final answer
    x = 20,531.74

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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.