Home / 38,179.27-57,257.88-13,218.31

Finding the Fourth Proportional to 38,179.27, 57,257.88 and 13,218.31

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Solution

The fourth proportional to 38,179.27, 57,257.88 and 13,218.31 is: 19,823.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179.27 : 57,257.88 = 13,218.31 : x
  2. Step 2: Convert to fraction form
    38,179.27/57,257.88 = 13,218.31/x
  3. Step 3: Cross multiply
    38,179.27x = 57,257.88 × 13,218.31
  4. Step 4: Simplify right side
    38,179.27x = 756,852,407.78
  5. Step 5: Solve for x
    x = 756,852,407.78/38,179.27
  6. Step 6: Final answer
    x = 19,823.65

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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.