Home / 39,796.11-54,919.82-22,805.75

Finding the Fourth Proportional to 39,796.11, 54,919.82 and 22,805.75

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Solution

The fourth proportional to 39,796.11, 54,919.82 and 22,805.75 is: 31,472.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,796.11 : 54,919.82 = 22,805.75 : x
  2. Step 2: Convert to fraction form
    39,796.11/54,919.82 = 22,805.75/x
  3. Step 3: Cross multiply
    39,796.11x = 54,919.82 × 22,805.75
  4. Step 4: Simplify right side
    39,796.11x = 1,252,487,879.28
  5. Step 5: Solve for x
    x = 1,252,487,879.28/39,796.11
  6. Step 6: Final answer
    x = 31,472.62

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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.