Home / 47,452.29-71,177.05-12,391.95

Finding the Fourth Proportional to 47,452.29, 71,177.05 and 12,391.95

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Solution

The fourth proportional to 47,452.29, 71,177.05 and 12,391.95 is: 18,587.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,452.29 : 71,177.05 = 12,391.95 : x
  2. Step 2: Convert to fraction form
    47,452.29/71,177.05 = 12,391.95/x
  3. Step 3: Cross multiply
    47,452.29x = 71,177.05 × 12,391.95
  4. Step 4: Simplify right side
    47,452.29x = 882,022,444.75
  5. Step 5: Solve for x
    x = 882,022,444.75/47,452.29
  6. Step 6: Final answer
    x = 18,587.56

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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.