Home / 41,189.76-61,735.20-18,972.64

Finding the Fourth Proportional to 41,189.76, 61,735.20 and 18,972.64

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Solution

The fourth proportional to 41,189.76, 61,735.20 and 18,972.64 is: 28,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,189.76 : 61,735.20 = 18,972.64 : x
  2. Step 2: Convert to fraction form
    41,189.76/61,735.20 = 18,972.64/x
  3. Step 3: Cross multiply
    41,189.76x = 61,735.20 × 18,972.64
  4. Step 4: Simplify right side
    41,189.76x = 1,171,279,724.93
  5. Step 5: Solve for x
    x = 1,171,279,724.93/41,189.76
  6. Step 6: Final answer
    x = 28,436.19

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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.