Home / 40,947.87-61,385.25-15,982.11

Finding the Fourth Proportional to 40,947.87, 61,385.25 and 15,982.11

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Solution

The fourth proportional to 40,947.87, 61,385.25 and 15,982.11 is: 23,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,947.87 : 61,385.25 = 15,982.11 : x
  2. Step 2: Convert to fraction form
    40,947.87/61,385.25 = 15,982.11/x
  3. Step 3: Cross multiply
    40,947.87x = 61,385.25 × 15,982.11
  4. Step 4: Simplify right side
    40,947.87x = 981,065,817.88
  5. Step 5: Solve for x
    x = 981,065,817.88/40,947.87
  6. Step 6: Final answer
    x = 23,958.90

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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.