Home / 38,481.18-57,617.50-19,974.30

Finding the Fourth Proportional to 38,481.18, 57,617.50 and 19,974.30

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Solution

The fourth proportional to 38,481.18, 57,617.50 and 19,974.30 is: 29,907.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481.18 : 57,617.50 = 19,974.30 : x
  2. Step 2: Convert to fraction form
    38,481.18/57,617.50 = 19,974.30/x
  3. Step 3: Cross multiply
    38,481.18x = 57,617.50 × 19,974.30
  4. Step 4: Simplify right side
    38,481.18x = 1,150,868,842.29
  5. Step 5: Solve for x
    x = 1,150,868,842.29/38,481.18
  6. Step 6: Final answer
    x = 29,907.32

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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.