Home / 38,392.68-57,591.70-13,429.88

Finding the Fourth Proportional to 38,392.68, 57,591.70 and 13,429.88

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Solution

The fourth proportional to 38,392.68, 57,591.70 and 13,429.88 is: 20,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,392.68 : 57,591.70 = 13,429.88 : x
  2. Step 2: Convert to fraction form
    38,392.68/57,591.70 = 13,429.88/x
  3. Step 3: Cross multiply
    38,392.68x = 57,591.70 × 13,429.88
  4. Step 4: Simplify right side
    38,392.68x = 773,449,620.00
  5. Step 5: Solve for x
    x = 773,449,620.00/38,392.68
  6. Step 6: Final answer
    x = 20,145.76

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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.