Home / 41,623.20-62,434.80-13,545.90

Finding the Fourth Proportional to 41,623.20, 62,434.80 and 13,545.90

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Solution

The fourth proportional to 41,623.20, 62,434.80 and 13,545.90 is: 20,318.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,623.20 : 62,434.80 = 13,545.90 : x
  2. Step 2: Convert to fraction form
    41,623.20/62,434.80 = 13,545.90/x
  3. Step 3: Cross multiply
    41,623.20x = 62,434.80 × 13,545.90
  4. Step 4: Simplify right side
    41,623.20x = 845,735,557.32
  5. Step 5: Solve for x
    x = 845,735,557.32/41,623.20
  6. Step 6: Final answer
    x = 20,318.85

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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.