Home / 54,339.44-81,451.62-18,281.57

Finding the Fourth Proportional to 54,339.44, 81,451.62 and 18,281.57

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Solution

The fourth proportional to 54,339.44, 81,451.62 and 18,281.57 is: 27,402.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,339.44 : 81,451.62 = 18,281.57 : x
  2. Step 2: Convert to fraction form
    54,339.44/81,451.62 = 18,281.57/x
  3. Step 3: Cross multiply
    54,339.44x = 81,451.62 × 18,281.57
  4. Step 4: Simplify right side
    54,339.44x = 1,489,063,085.39
  5. Step 5: Solve for x
    x = 1,489,063,085.39/54,339.44
  6. Step 6: Final answer
    x = 27,402.99

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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.