Home / 47,794.60-71,546.10-42,545.80

Finding the Fourth Proportional to 47,794.60, 71,546.10 and 42,545.80

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Solution

The fourth proportional to 47,794.60, 71,546.10 and 42,545.80 is: 63,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,794.60 : 71,546.10 = 42,545.80 : x
  2. Step 2: Convert to fraction form
    47,794.60/71,546.10 = 42,545.80/x
  3. Step 3: Cross multiply
    47,794.60x = 71,546.10 × 42,545.80
  4. Step 4: Simplify right side
    47,794.60x = 3,043,986,061.38
  5. Step 5: Solve for x
    x = 3,043,986,061.38/47,794.60
  6. Step 6: Final answer
    x = 63,688.91

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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.