Home / 38,632.26-57,974.36-13,672.20

Finding the Fourth Proportional to 38,632.26, 57,974.36 and 13,672.20

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Solution

The fourth proportional to 38,632.26, 57,974.36 and 13,672.20 is: 20,517.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,632.26 : 57,974.36 = 13,672.20 : x
  2. Step 2: Convert to fraction form
    38,632.26/57,974.36 = 13,672.20/x
  3. Step 3: Cross multiply
    38,632.26x = 57,974.36 × 13,672.20
  4. Step 4: Simplify right side
    38,632.26x = 792,637,044.79
  5. Step 5: Solve for x
    x = 792,637,044.79/38,632.26
  6. Step 6: Final answer
    x = 20,517.49

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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.