Home / 34,282.89-47,310.75-20,135.97

Finding the Fourth Proportional to 34,282.89, 47,310.75 and 20,135.97

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Solution

The fourth proportional to 34,282.89, 47,310.75 and 20,135.97 is: 27,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,282.89 : 47,310.75 = 20,135.97 : x
  2. Step 2: Convert to fraction form
    34,282.89/47,310.75 = 20,135.97/x
  3. Step 3: Cross multiply
    34,282.89x = 47,310.75 × 20,135.97
  4. Step 4: Simplify right side
    34,282.89x = 952,647,842.68
  5. Step 5: Solve for x
    x = 952,647,842.68/34,282.89
  6. Step 6: Final answer
    x = 27,787.85

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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.