Home / 47,906.25-71,890.13-32,129.10

Finding the Fourth Proportional to 47,906.25, 71,890.13 and 32,129.10

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Solution

The fourth proportional to 47,906.25, 71,890.13 and 32,129.10 is: 48,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,906.25 : 71,890.13 = 32,129.10 : x
  2. Step 2: Convert to fraction form
    47,906.25/71,890.13 = 32,129.10/x
  3. Step 3: Cross multiply
    47,906.25x = 71,890.13 × 32,129.10
  4. Step 4: Simplify right side
    47,906.25x = 2,309,765,175.78
  5. Step 5: Solve for x
    x = 2,309,765,175.78/47,906.25
  6. Step 6: Final answer
    x = 48,214.28

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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.