Home / 54,118.35-81,088.77-38,245.85

Finding the Fourth Proportional to 54,118.35, 81,088.77 and 38,245.85

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Solution

The fourth proportional to 54,118.35, 81,088.77 and 38,245.85 is: 57,306.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,118.35 : 81,088.77 = 38,245.85 : x
  2. Step 2: Convert to fraction form
    54,118.35/81,088.77 = 38,245.85/x
  3. Step 3: Cross multiply
    54,118.35x = 81,088.77 × 38,245.85
  4. Step 4: Simplify right side
    54,118.35x = 3,101,308,640.54
  5. Step 5: Solve for x
    x = 3,101,308,640.54/54,118.35
  6. Step 6: Final answer
    x = 57,306.04

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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.