Home / 54,920.12-75,789.21-29,769.62

Finding the Fourth Proportional to 54,920.12, 75,789.21 and 29,769.62

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Solution

The fourth proportional to 54,920.12, 75,789.21 and 29,769.62 is: 41,081.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,920.12 : 75,789.21 = 29,769.62 : x
  2. Step 2: Convert to fraction form
    54,920.12/75,789.21 = 29,769.62/x
  3. Step 3: Cross multiply
    54,920.12x = 75,789.21 × 29,769.62
  4. Step 4: Simplify right side
    54,920.12x = 2,256,215,602.85
  5. Step 5: Solve for x
    x = 2,256,215,602.85/54,920.12
  6. Step 6: Final answer
    x = 41,081.77

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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.