Home / 38,180.61-57,257.18-13,213.88

Finding the Fourth Proportional to 38,180.61, 57,257.18 and 13,213.88

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Solution

The fourth proportional to 38,180.61, 57,257.18 and 13,213.88 is: 19,816.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180.61 : 57,257.18 = 13,213.88 : x
  2. Step 2: Convert to fraction form
    38,180.61/57,257.18 = 13,213.88/x
  3. Step 3: Cross multiply
    38,180.61x = 57,257.18 × 13,213.88
  4. Step 4: Simplify right side
    38,180.61x = 756,589,505.66
  5. Step 5: Solve for x
    x = 756,589,505.66/38,180.61
  6. Step 6: Final answer
    x = 19,816.07

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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.