Home / 47,778.87-66,002.28-38,281.83

Finding the Fourth Proportional to 47,778.87, 66,002.28 and 38,281.83

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Solution

The fourth proportional to 47,778.87, 66,002.28 and 38,281.83 is: 52,882.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,778.87 : 66,002.28 = 38,281.83 : x
  2. Step 2: Convert to fraction form
    47,778.87/66,002.28 = 38,281.83/x
  3. Step 3: Cross multiply
    47,778.87x = 66,002.28 × 38,281.83
  4. Step 4: Simplify right side
    47,778.87x = 2,526,688,062.57
  5. Step 5: Solve for x
    x = 2,526,688,062.57/47,778.87
  6. Step 6: Final answer
    x = 52,882.96

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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.