Home / 33,710.31-50,540.09-20,380.55

Finding the Fourth Proportional to 33,710.31, 50,540.09 and 20,380.55

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Solution

The fourth proportional to 33,710.31, 50,540.09 and 20,380.55 is: 30,555.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,710.31 : 50,540.09 = 20,380.55 : x
  2. Step 2: Convert to fraction form
    33,710.31/50,540.09 = 20,380.55/x
  3. Step 3: Cross multiply
    33,710.31x = 50,540.09 × 20,380.55
  4. Step 4: Simplify right side
    33,710.31x = 1,030,034,476.65
  5. Step 5: Solve for x
    x = 1,030,034,476.65/33,710.31
  6. Step 6: Final answer
    x = 30,555.47

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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.