Home / 38,608.20-57,912.30-29,849.40

Finding the Fourth Proportional to 38,608.20, 57,912.30 and 29,849.40

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Solution

The fourth proportional to 38,608.20, 57,912.30 and 29,849.40 is: 44,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,608.20 : 57,912.30 = 29,849.40 : x
  2. Step 2: Convert to fraction form
    38,608.20/57,912.30 = 29,849.40/x
  3. Step 3: Cross multiply
    38,608.20x = 57,912.30 × 29,849.40
  4. Step 4: Simplify right side
    38,608.20x = 1,728,647,407.62
  5. Step 5: Solve for x
    x = 1,728,647,407.62/38,608.20
  6. Step 6: Final answer
    x = 44,774.10

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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.