Home / 47,385.20-71,154.60-34,329.20

Finding the Fourth Proportional to 47,385.20, 71,154.60 and 34,329.20

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Solution

The fourth proportional to 47,385.20, 71,154.60 and 34,329.20 is: 51,549.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,385.20 : 71,154.60 = 34,329.20 : x
  2. Step 2: Convert to fraction form
    47,385.20/71,154.60 = 34,329.20/x
  3. Step 3: Cross multiply
    47,385.20x = 71,154.60 × 34,329.20
  4. Step 4: Simplify right side
    47,385.20x = 2,442,680,494.32
  5. Step 5: Solve for x
    x = 2,442,680,494.32/47,385.20
  6. Step 6: Final answer
    x = 51,549.44

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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.