Home / 71,474.39-107,176.92-21,545.18

Finding the Fourth Proportional to 71,474.39, 107,176.92 and 21,545.18

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Solution

The fourth proportional to 71,474.39, 107,176.92 and 21,545.18 is: 32,307.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,474.39 : 107,176.92 = 21,545.18 : x
  2. Step 2: Convert to fraction form
    71,474.39/107,176.92 = 21,545.18/x
  3. Step 3: Cross multiply
    71,474.39x = 107,176.92 × 21,545.18
  4. Step 4: Simplify right side
    71,474.39x = 2,309,146,033.25
  5. Step 5: Solve for x
    x = 2,309,146,033.25/71,474.39
  6. Step 6: Final answer
    x = 32,307.32

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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.