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Finding the Fourth Proportional to 33,954.96, 50,969.68 and 26,979.80

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Solution

The fourth proportional to 33,954.96, 50,969.68 and 26,979.80 is: 40,499.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,954.96 : 50,969.68 = 26,979.80 : x
  2. Step 2: Convert to fraction form
    33,954.96/50,969.68 = 26,979.80/x
  3. Step 3: Cross multiply
    33,954.96x = 50,969.68 × 26,979.80
  4. Step 4: Simplify right side
    33,954.96x = 1,375,151,772.46
  5. Step 5: Solve for x
    x = 1,375,151,772.46/33,954.96
  6. Step 6: Final answer
    x = 40,499.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.