Home / 33,639.92-50,422.16-13,644.76

Finding the Fourth Proportional to 33,639.92, 50,422.16 and 13,644.76

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Solution

The fourth proportional to 33,639.92, 50,422.16 and 13,644.76 is: 20,451.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,639.92 : 50,422.16 = 13,644.76 : x
  2. Step 2: Convert to fraction form
    33,639.92/50,422.16 = 13,644.76/x
  3. Step 3: Cross multiply
    33,639.92x = 50,422.16 × 13,644.76
  4. Step 4: Simplify right side
    33,639.92x = 687,998,380.88
  5. Step 5: Solve for x
    x = 687,998,380.88/33,639.92
  6. Step 6: Final answer
    x = 20,451.85

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1.5x scale

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.