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Finding the Fourth Proportional to 33,889.97, 50,837.90 and 8,929.82

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Solution

The fourth proportional to 33,889.97, 50,837.90 and 8,929.82 is: 13,395.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,889.97 : 50,837.90 = 8,929.82 : x
  2. Step 2: Convert to fraction form
    33,889.97/50,837.90 = 8,929.82/x
  3. Step 3: Cross multiply
    33,889.97x = 50,837.90 × 8,929.82
  4. Step 4: Simplify right side
    33,889.97x = 453,973,378.62
  5. Step 5: Solve for x
    x = 453,973,378.62/33,889.97
  6. Step 6: Final answer
    x = 13,395.51

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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.