Home / 38,679.20-57,975.60-22,047.20

Finding the Fourth Proportional to 38,679.20, 57,975.60 and 22,047.20

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Solution

The fourth proportional to 38,679.20, 57,975.60 and 22,047.20 is: 33,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,679.20 : 57,975.60 = 22,047.20 : x
  2. Step 2: Convert to fraction form
    38,679.20/57,975.60 = 22,047.20/x
  3. Step 3: Cross multiply
    38,679.20x = 57,975.60 × 22,047.20
  4. Step 4: Simplify right side
    38,679.20x = 1,278,199,648.32
  5. Step 5: Solve for x
    x = 1,278,199,648.32/38,679.20
  6. Step 6: Final answer
    x = 33,046.18

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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.