Home / 54,920.19-75,789.90-29,769.69

Finding the Fourth Proportional to 54,920.19, 75,789.90 and 29,769.69

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Solution

The fourth proportional to 54,920.19, 75,789.90 and 29,769.69 is: 41,082.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,920.19 : 75,789.90 = 29,769.69 : x
  2. Step 2: Convert to fraction form
    54,920.19/75,789.90 = 29,769.69/x
  3. Step 3: Cross multiply
    54,920.19x = 75,789.90 × 29,769.69
  4. Step 4: Simplify right side
    54,920.19x = 2,256,241,828.13
  5. Step 5: Solve for x
    x = 2,256,241,828.13/54,920.19
  6. Step 6: Final answer
    x = 41,082.19

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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.