Home / 54,194.88-81,272.14-18,646.28

Finding the Fourth Proportional to 54,194.88, 81,272.14 and 18,646.28

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Solution

The fourth proportional to 54,194.88, 81,272.14 and 18,646.28 is: 27,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,194.88 : 81,272.14 = 18,646.28 : x
  2. Step 2: Convert to fraction form
    54,194.88/81,272.14 = 18,646.28/x
  3. Step 3: Cross multiply
    54,194.88x = 81,272.14 × 18,646.28
  4. Step 4: Simplify right side
    54,194.88x = 1,515,422,625.66
  5. Step 5: Solve for x
    x = 1,515,422,625.66/54,194.88
  6. Step 6: Final answer
    x = 27,962.47

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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.