Home / 38,479.15-57,722.02-13,517.03

Finding the Fourth Proportional to 38,479.15, 57,722.02 and 13,517.03

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Solution

The fourth proportional to 38,479.15, 57,722.02 and 13,517.03 is: 20,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,479.15 : 57,722.02 = 13,517.03 : x
  2. Step 2: Convert to fraction form
    38,479.15/57,722.02 = 13,517.03/x
  3. Step 3: Cross multiply
    38,479.15x = 57,722.02 × 13,517.03
  4. Step 4: Simplify right side
    38,479.15x = 780,230,061.83
  5. Step 5: Solve for x
    x = 780,230,061.83/38,479.15
  6. Step 6: Final answer
    x = 20,276.70

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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.