Home / 38,246.66-57,321.31-21,615.96

Finding the Fourth Proportional to 38,246.66, 57,321.31 and 21,615.96

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Solution

The fourth proportional to 38,246.66, 57,321.31 and 21,615.96 is: 32,396.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,246.66 : 57,321.31 = 21,615.96 : x
  2. Step 2: Convert to fraction form
    38,246.66/57,321.31 = 21,615.96/x
  3. Step 3: Cross multiply
    38,246.66x = 57,321.31 × 21,615.96
  4. Step 4: Simplify right side
    38,246.66x = 1,239,055,144.11
  5. Step 5: Solve for x
    x = 1,239,055,144.11/38,246.66
  6. Step 6: Final answer
    x = 32,396.43

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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.