Home / 41,188.88-61,787.64-13,489.04

Finding the Fourth Proportional to 41,188.88, 61,787.64 and 13,489.04

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Solution

The fourth proportional to 41,188.88, 61,787.64 and 13,489.04 is: 20,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,188.88 : 61,787.64 = 13,489.04 : x
  2. Step 2: Convert to fraction form
    41,188.88/61,787.64 = 13,489.04/x
  3. Step 3: Cross multiply
    41,188.88x = 61,787.64 × 13,489.04
  4. Step 4: Simplify right side
    41,188.88x = 833,455,947.47
  5. Step 5: Solve for x
    x = 833,455,947.47/41,188.88
  6. Step 6: Final answer
    x = 20,234.97

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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.