Home / 38,481.06-57,617.30-19,974.18

Finding the Fourth Proportional to 38,481.06, 57,617.30 and 19,974.18

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Solution

The fourth proportional to 38,481.06, 57,617.30 and 19,974.18 is: 29,907.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481.06 : 57,617.30 = 19,974.18 : x
  2. Step 2: Convert to fraction form
    38,481.06/57,617.30 = 19,974.18/x
  3. Step 3: Cross multiply
    38,481.06x = 57,617.30 × 19,974.18
  4. Step 4: Simplify right side
    38,481.06x = 1,150,858,321.31
  5. Step 5: Solve for x
    x = 1,150,858,321.31/38,481.06
  6. Step 6: Final answer
    x = 29,907.14

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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.