Home / 54,382.05-81,557.29-22,791.28

Finding the Fourth Proportional to 54,382.05, 81,557.29 and 22,791.28

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Solution

The fourth proportional to 54,382.05, 81,557.29 and 22,791.28 is: 34,180.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,382.05 : 81,557.29 = 22,791.28 : x
  2. Step 2: Convert to fraction form
    54,382.05/81,557.29 = 22,791.28/x
  3. Step 3: Cross multiply
    54,382.05x = 81,557.29 × 22,791.28
  4. Step 4: Simplify right side
    54,382.05x = 1,858,794,918.47
  5. Step 5: Solve for x
    x = 1,858,794,918.47/54,382.05
  6. Step 6: Final answer
    x = 34,180.31

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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.