Home / 41,131.92-61,690.10-20,050.79

Finding the Fourth Proportional to 41,131.92, 61,690.10 and 20,050.79

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Solution

The fourth proportional to 41,131.92, 61,690.10 and 20,050.79 is: 30,072.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,131.92 : 61,690.10 = 20,050.79 : x
  2. Step 2: Convert to fraction form
    41,131.92/61,690.10 = 20,050.79/x
  3. Step 3: Cross multiply
    41,131.92x = 61,690.10 × 20,050.79
  4. Step 4: Simplify right side
    41,131.92x = 1,236,934,831.47
  5. Step 5: Solve for x
    x = 1,236,934,831.47/41,131.92
  6. Step 6: Final answer
    x = 30,072.38

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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.