Home / 47,540.52-71,101.19-42,309.95

Finding the Fourth Proportional to 47,540.52, 71,101.19 and 42,309.95

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Solution

The fourth proportional to 47,540.52, 71,101.19 and 42,309.95 is: 63,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,540.52 : 71,101.19 = 42,309.95 : x
  2. Step 2: Convert to fraction form
    47,540.52/71,101.19 = 42,309.95/x
  3. Step 3: Cross multiply
    47,540.52x = 71,101.19 × 42,309.95
  4. Step 4: Simplify right side
    47,540.52x = 3,008,287,544.11
  5. Step 5: Solve for x
    x = 3,008,287,544.11/47,540.52
  6. Step 6: Final answer
    x = 63,278.39

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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.