Home / 41,143.26-56,778.10-22,280.78

Finding the Fourth Proportional to 41,143.26, 56,778.10 and 22,280.78

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Solution

The fourth proportional to 41,143.26, 56,778.10 and 22,280.78 is: 30,747.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,143.26 : 56,778.10 = 22,280.78 : x
  2. Step 2: Convert to fraction form
    41,143.26/56,778.10 = 22,280.78/x
  3. Step 3: Cross multiply
    41,143.26x = 56,778.10 × 22,280.78
  4. Step 4: Simplify right side
    41,143.26x = 1,265,060,354.92
  5. Step 5: Solve for x
    x = 1,265,060,354.92/41,143.26
  6. Step 6: Final answer
    x = 30,747.69

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1.5x scale

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.