Home / 51,479.92-71,035.68-30,251.44

Finding the Fourth Proportional to 51,479.92, 71,035.68 and 30,251.44

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Solution

The fourth proportional to 51,479.92, 71,035.68 and 30,251.44 is: 41,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,479.92 : 71,035.68 = 30,251.44 : x
  2. Step 2: Convert to fraction form
    51,479.92/71,035.68 = 30,251.44/x
  3. Step 3: Cross multiply
    51,479.92x = 71,035.68 × 30,251.44
  4. Step 4: Simplify right side
    51,479.92x = 2,148,931,611.38
  5. Step 5: Solve for x
    x = 2,148,931,611.38/51,479.92
  6. Step 6: Final answer
    x = 41,743.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.