Home / 39,958.74-55,081.49-29,871.81

Finding the Fourth Proportional to 39,958.74, 55,081.49 and 29,871.81

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Solution

The fourth proportional to 39,958.74, 55,081.49 and 29,871.81 is: 41,177.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958.74 : 55,081.49 = 29,871.81 : x
  2. Step 2: Convert to fraction form
    39,958.74/55,081.49 = 29,871.81/x
  3. Step 3: Cross multiply
    39,958.74x = 55,081.49 × 29,871.81
  4. Step 4: Simplify right side
    39,958.74x = 1,645,383,654.44
  5. Step 5: Solve for x
    x = 1,645,383,654.44/39,958.74
  6. Step 6: Final answer
    x = 41,177.07

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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.