Home / 33,343.20-49,947.60-20,824.80

Finding the Fourth Proportional to 33,343.20, 49,947.60 and 20,824.80

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Solution

The fourth proportional to 33,343.20, 49,947.60 and 20,824.80 is: 31,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,343.20 : 49,947.60 = 20,824.80 : x
  2. Step 2: Convert to fraction form
    33,343.20/49,947.60 = 20,824.80/x
  3. Step 3: Cross multiply
    33,343.20x = 49,947.60 × 20,824.80
  4. Step 4: Simplify right side
    33,343.20x = 1,040,148,780.48
  5. Step 5: Solve for x
    x = 1,040,148,780.48/33,343.20
  6. Step 6: Final answer
    x = 31,195.23

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1.5x scale

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.