Home / 38,347.92-57,548.15-13,387.97

Finding the Fourth Proportional to 38,347.92, 57,548.15 and 13,387.97

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Solution

The fourth proportional to 38,347.92, 57,548.15 and 13,387.97 is: 20,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,347.92 : 57,548.15 = 13,387.97 : x
  2. Step 2: Convert to fraction form
    38,347.92/57,548.15 = 13,387.97/x
  3. Step 3: Cross multiply
    38,347.92x = 57,548.15 × 13,387.97
  4. Step 4: Simplify right side
    38,347.92x = 770,452,905.76
  5. Step 5: Solve for x
    x = 770,452,905.76/38,347.92
  6. Step 6: Final answer
    x = 20,091.13

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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.