Home / 20,694.33-31,042.52-5,905.43

Finding the Fourth Proportional to 20,694.33, 31,042.52 and 5,905.43

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Solution

The fourth proportional to 20,694.33, 31,042.52 and 5,905.43 is: 8,858.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694.33 : 31,042.52 = 5,905.43 : x
  2. Step 2: Convert to fraction form
    20,694.33/31,042.52 = 5,905.43/x
  3. Step 3: Cross multiply
    20,694.33x = 31,042.52 × 5,905.43
  4. Step 4: Simplify right side
    20,694.33x = 183,319,244.14
  5. Step 5: Solve for x
    x = 183,319,244.14/20,694.33
  6. Step 6: Final answer
    x = 8,858.43

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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.