Home / 38,166.60-57,233.70-18,451.20

Finding the Fourth Proportional to 38,166.60, 57,233.70 and 18,451.20

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Solution

The fourth proportional to 38,166.60, 57,233.70 and 18,451.20 is: 27,668.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,166.60 : 57,233.70 = 18,451.20 : x
  2. Step 2: Convert to fraction form
    38,166.60/57,233.70 = 18,451.20/x
  3. Step 3: Cross multiply
    38,166.60x = 57,233.70 × 18,451.20
  4. Step 4: Simplify right side
    38,166.60x = 1,056,030,445.44
  5. Step 5: Solve for x
    x = 1,056,030,445.44/38,166.60
  6. Step 6: Final answer
    x = 27,668.97

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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.