Home / 38,181.60-57,256.20-18,466.20

Finding the Fourth Proportional to 38,181.60, 57,256.20 and 18,466.20

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Solution

The fourth proportional to 38,181.60, 57,256.20 and 18,466.20 is: 27,691.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181.60 : 57,256.20 = 18,466.20 : x
  2. Step 2: Convert to fraction form
    38,181.60/57,256.20 = 18,466.20/x
  3. Step 3: Cross multiply
    38,181.60x = 57,256.20 × 18,466.20
  4. Step 4: Simplify right side
    38,181.60x = 1,057,304,440.44
  5. Step 5: Solve for x
    x = 1,057,304,440.44/38,181.60
  6. Step 6: Final answer
    x = 27,691.47

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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.