Home / 38,424.60-57,636.90-36,610.20

Finding the Fourth Proportional to 38,424.60, 57,636.90 and 36,610.20

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Solution

The fourth proportional to 38,424.60, 57,636.90 and 36,610.20 is: 54,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,424.60 : 57,636.90 = 36,610.20 : x
  2. Step 2: Convert to fraction form
    38,424.60/57,636.90 = 36,610.20/x
  3. Step 3: Cross multiply
    38,424.60x = 57,636.90 × 36,610.20
  4. Step 4: Simplify right side
    38,424.60x = 2,110,098,436.38
  5. Step 5: Solve for x
    x = 2,110,098,436.38/38,424.60
  6. Step 6: Final answer
    x = 54,915.30

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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.