Home / 54,195.82-81,273.54-18,647.22

Finding the Fourth Proportional to 54,195.82, 81,273.54 and 18,647.22

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Solution

The fourth proportional to 54,195.82, 81,273.54 and 18,647.22 is: 27,963.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,195.82 : 81,273.54 = 18,647.22 : x
  2. Step 2: Convert to fraction form
    54,195.82/81,273.54 = 18,647.22/x
  3. Step 3: Cross multiply
    54,195.82x = 81,273.54 × 18,647.22
  4. Step 4: Simplify right side
    54,195.82x = 1,515,525,580.56
  5. Step 5: Solve for x
    x = 1,515,525,580.56/54,195.82
  6. Step 6: Final answer
    x = 27,963.88

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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.