Home / 52,107.87-71,909.19-28,234.72

Finding the Fourth Proportional to 52,107.87, 71,909.19 and 28,234.72

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Solution

The fourth proportional to 52,107.87, 71,909.19 and 28,234.72 is: 38,964.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,107.87 : 71,909.19 = 28,234.72 : x
  2. Step 2: Convert to fraction form
    52,107.87/71,909.19 = 28,234.72/x
  3. Step 3: Cross multiply
    52,107.87x = 71,909.19 × 28,234.72
  4. Step 4: Simplify right side
    52,107.87x = 2,030,335,845.08
  5. Step 5: Solve for x
    x = 2,030,335,845.08/52,107.87
  6. Step 6: Final answer
    x = 38,964.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.