Home / 40,951.15-61,414.34-15,984.43

Finding the Fourth Proportional to 40,951.15, 61,414.34 and 15,984.43

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Solution

The fourth proportional to 40,951.15, 61,414.34 and 15,984.43 is: 23,971.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,951.15 : 61,414.34 = 15,984.43 : x
  2. Step 2: Convert to fraction form
    40,951.15/61,414.34 = 15,984.43/x
  3. Step 3: Cross multiply
    40,951.15x = 61,414.34 × 15,984.43
  4. Step 4: Simplify right side
    40,951.15x = 981,673,138.80
  5. Step 5: Solve for x
    x = 981,673,138.80/40,951.15
  6. Step 6: Final answer
    x = 23,971.81

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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.