Home / 54,103.11-74,660.90-30,229.93

Finding the Fourth Proportional to 54,103.11, 74,660.90 and 30,229.93

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Solution

The fourth proportional to 54,103.11, 74,660.90 and 30,229.93 is: 41,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,103.11 : 74,660.90 = 30,229.93 : x
  2. Step 2: Convert to fraction form
    54,103.11/74,660.90 = 30,229.93/x
  3. Step 3: Cross multiply
    54,103.11x = 74,660.90 × 30,229.93
  4. Step 4: Simplify right side
    54,103.11x = 2,256,993,780.74
  5. Step 5: Solve for x
    x = 2,256,993,780.74/54,103.11
  6. Step 6: Final answer
    x = 41,716.53

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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.