Home / 55,169.71-76,135.68-31,299.97

Finding the Fourth Proportional to 55,169.71, 76,135.68 and 31,299.97

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Solution

The fourth proportional to 55,169.71, 76,135.68 and 31,299.97 is: 43,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,169.71 : 76,135.68 = 31,299.97 : x
  2. Step 2: Convert to fraction form
    55,169.71/76,135.68 = 31,299.97/x
  3. Step 3: Cross multiply
    55,169.71x = 76,135.68 × 31,299.97
  4. Step 4: Simplify right side
    55,169.71x = 2,383,044,499.93
  5. Step 5: Solve for x
    x = 2,383,044,499.93/55,169.71
  6. Step 6: Final answer
    x = 43,194.80

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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.