Home / 50,517.38-69,682.20-29,288.90

Finding the Fourth Proportional to 50,517.38, 69,682.20 and 29,288.90

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Solution

The fourth proportional to 50,517.38, 69,682.20 and 29,288.90 is: 40,400.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,517.38 : 69,682.20 = 29,288.90 : x
  2. Step 2: Convert to fraction form
    50,517.38/69,682.20 = 29,288.90/x
  3. Step 3: Cross multiply
    50,517.38x = 69,682.20 × 29,288.90
  4. Step 4: Simplify right side
    50,517.38x = 2,040,914,987.58
  5. Step 5: Solve for x
    x = 2,040,914,987.58/50,517.38
  6. Step 6: Final answer
    x = 40,400.25

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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.