Home / 38,480.15-57,723.52-13,518.03

Finding the Fourth Proportional to 38,480.15, 57,723.52 and 13,518.03

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Solution

The fourth proportional to 38,480.15, 57,723.52 and 13,518.03 is: 20,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480.15 : 57,723.52 = 13,518.03 : x
  2. Step 2: Convert to fraction form
    38,480.15/57,723.52 = 13,518.03/x
  3. Step 3: Cross multiply
    38,480.15x = 57,723.52 × 13,518.03
  4. Step 4: Simplify right side
    38,480.15x = 780,308,275.07
  5. Step 5: Solve for x
    x = 780,308,275.07/38,480.15
  6. Step 6: Final answer
    x = 20,278.20

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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.