Home / 41,920.82-62,888.94-13,842.78

Finding the Fourth Proportional to 41,920.82, 62,888.94 and 13,842.78

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Solution

The fourth proportional to 41,920.82, 62,888.94 and 13,842.78 is: 20,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,920.82 : 62,888.94 = 13,842.78 : x
  2. Step 2: Convert to fraction form
    41,920.82/62,888.94 = 13,842.78/x
  3. Step 3: Cross multiply
    41,920.82x = 62,888.94 × 13,842.78
  4. Step 4: Simplify right side
    41,920.82x = 870,557,760.85
  5. Step 5: Solve for x
    x = 870,557,760.85/41,920.82
  6. Step 6: Final answer
    x = 20,766.72

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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.