Home / 38,452.20-57,672.90-12,159.60

Finding the Fourth Proportional to 38,452.20, 57,672.90 and 12,159.60

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Solution

The fourth proportional to 38,452.20, 57,672.90 and 12,159.60 is: 18,237.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,452.20 : 57,672.90 = 12,159.60 : x
  2. Step 2: Convert to fraction form
    38,452.20/57,672.90 = 12,159.60/x
  3. Step 3: Cross multiply
    38,452.20x = 57,672.90 × 12,159.60
  4. Step 4: Simplify right side
    38,452.20x = 701,279,394.84
  5. Step 5: Solve for x
    x = 701,279,394.84/38,452.20
  6. Step 6: Final answer
    x = 18,237.69

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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.