Home / 38,134.26-57,192.28-13,175.20

Finding the Fourth Proportional to 38,134.26, 57,192.28 and 13,175.20

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Solution

The fourth proportional to 38,134.26, 57,192.28 and 13,175.20 is: 19,759.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,134.26 : 57,192.28 = 13,175.20 : x
  2. Step 2: Convert to fraction form
    38,134.26/57,192.28 = 13,175.20/x
  3. Step 3: Cross multiply
    38,134.26x = 57,192.28 × 13,175.20
  4. Step 4: Simplify right side
    38,134.26x = 753,519,727.46
  5. Step 5: Solve for x
    x = 753,519,727.46/38,134.26
  6. Step 6: Final answer
    x = 19,759.65

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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.