Home / 54,474.30-81,716.16-15,031.41

Finding the Fourth Proportional to 54,474.30, 81,716.16 and 15,031.41

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Solution

The fourth proportional to 54,474.30, 81,716.16 and 15,031.41 is: 22,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,474.30 : 81,716.16 = 15,031.41 : x
  2. Step 2: Convert to fraction form
    54,474.30/81,716.16 = 15,031.41/x
  3. Step 3: Cross multiply
    54,474.30x = 81,716.16 × 15,031.41
  4. Step 4: Simplify right side
    54,474.30x = 1,228,309,104.59
  5. Step 5: Solve for x
    x = 1,228,309,104.59/54,474.30
  6. Step 6: Final answer
    x = 22,548.41

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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.