Home / 33,348.20-49,955.10-20,829.80

Finding the Fourth Proportional to 33,348.20, 49,955.10 and 20,829.80

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Solution

The fourth proportional to 33,348.20, 49,955.10 and 20,829.80 is: 31,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,348.20 : 49,955.10 = 20,829.80 : x
  2. Step 2: Convert to fraction form
    33,348.20/49,955.10 = 20,829.80/x
  3. Step 3: Cross multiply
    33,348.20x = 49,955.10 × 20,829.80
  4. Step 4: Simplify right side
    33,348.20x = 1,040,554,741.98
  5. Step 5: Solve for x
    x = 1,040,554,741.98/33,348.20
  6. Step 6: Final answer
    x = 31,202.73

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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.