Home / 47,815.80-71,691.30-25,330.20

Finding the Fourth Proportional to 47,815.80, 71,691.30 and 25,330.20

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Solution

The fourth proportional to 47,815.80, 71,691.30 and 25,330.20 is: 37,978.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,815.80 : 71,691.30 = 25,330.20 : x
  2. Step 2: Convert to fraction form
    47,815.80/71,691.30 = 25,330.20/x
  3. Step 3: Cross multiply
    47,815.80x = 71,691.30 × 25,330.20
  4. Step 4: Simplify right side
    47,815.80x = 1,815,954,967.26
  5. Step 5: Solve for x
    x = 1,815,954,967.26/47,815.80
  6. Step 6: Final answer
    x = 37,978.14

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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.