Home / 54,489.93-75,194.33-30,290.78

Finding the Fourth Proportional to 54,489.93, 75,194.33 and 30,290.78

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Solution

The fourth proportional to 54,489.93, 75,194.33 and 30,290.78 is: 41,800.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,489.93 : 75,194.33 = 30,290.78 : x
  2. Step 2: Convert to fraction form
    54,489.93/75,194.33 = 30,290.78/x
  3. Step 3: Cross multiply
    54,489.93x = 75,194.33 × 30,290.78
  4. Step 4: Simplify right side
    54,489.93x = 2,277,694,379.85
  5. Step 5: Solve for x
    x = 2,277,694,379.85/54,489.93
  6. Step 6: Final answer
    x = 41,800.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.