Home / 48,800.85-67,319.20-29,686.47

Finding the Fourth Proportional to 48,800.85, 67,319.20 and 29,686.47

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Solution

The fourth proportional to 48,800.85, 67,319.20 and 29,686.47 is: 40,951.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,800.85 : 67,319.20 = 29,686.47 : x
  2. Step 2: Convert to fraction form
    48,800.85/67,319.20 = 29,686.47/x
  3. Step 3: Cross multiply
    48,800.85x = 67,319.20 × 29,686.47
  4. Step 4: Simplify right side
    48,800.85x = 1,998,469,763.89
  5. Step 5: Solve for x
    x = 1,998,469,763.89/48,800.85
  6. Step 6: Final answer
    x = 40,951.53

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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.