Home / 54,194.52-81,271.56-18,645.89

Finding the Fourth Proportional to 54,194.52, 81,271.56 and 18,645.89

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Solution

The fourth proportional to 54,194.52, 81,271.56 and 18,645.89 is: 27,961.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,194.52 : 81,271.56 = 18,645.89 : x
  2. Step 2: Convert to fraction form
    54,194.52/81,271.56 = 18,645.89/x
  3. Step 3: Cross multiply
    54,194.52x = 81,271.56 × 18,645.89
  4. Step 4: Simplify right side
    54,194.52x = 1,515,380,161.53
  5. Step 5: Solve for x
    x = 1,515,380,161.53/54,194.52
  6. Step 6: Final answer
    x = 27,961.87

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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.