Home / 55,034.91-75,949.79-31,160.97

Finding the Fourth Proportional to 55,034.91, 75,949.79 and 31,160.97

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Solution

The fourth proportional to 55,034.91, 75,949.79 and 31,160.97 is: 43,003.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,034.91 : 75,949.79 = 31,160.97 : x
  2. Step 2: Convert to fraction form
    55,034.91/75,949.79 = 31,160.97/x
  3. Step 3: Cross multiply
    55,034.91x = 75,949.79 × 31,160.97
  4. Step 4: Simplify right side
    55,034.91x = 2,366,668,971.89
  5. Step 5: Solve for x
    x = 2,366,668,971.89/55,034.91
  6. Step 6: Final answer
    x = 43,003.05

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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.