Home / 38,672.39-57,996.22-12,370.88

Finding the Fourth Proportional to 38,672.39, 57,996.22 and 12,370.88

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Solution

The fourth proportional to 38,672.39, 57,996.22 and 12,370.88 is: 18,552.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,672.39 : 57,996.22 = 12,370.88 : x
  2. Step 2: Convert to fraction form
    38,672.39/57,996.22 = 12,370.88/x
  3. Step 3: Cross multiply
    38,672.39x = 57,996.22 × 12,370.88
  4. Step 4: Simplify right side
    38,672.39x = 717,464,278.07
  5. Step 5: Solve for x
    x = 717,464,278.07/38,672.39
  6. Step 6: Final answer
    x = 18,552.36

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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.