Home / 38,257.60-57,370.20-18,542.20

Finding the Fourth Proportional to 38,257.60, 57,370.20 and 18,542.20

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Solution

The fourth proportional to 38,257.60, 57,370.20 and 18,542.20 is: 27,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,257.60 : 57,370.20 = 18,542.20 : x
  2. Step 2: Convert to fraction form
    38,257.60/57,370.20 = 18,542.20/x
  3. Step 3: Cross multiply
    38,257.60x = 57,370.20 × 18,542.20
  4. Step 4: Simplify right side
    38,257.60x = 1,063,769,722.44
  5. Step 5: Solve for x
    x = 1,063,769,722.44/38,257.60
  6. Step 6: Final answer
    x = 27,805.45

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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.