Home / 33,945.78-50,951.07-20,823.78

Finding the Fourth Proportional to 33,945.78, 50,951.07 and 20,823.78

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Solution

The fourth proportional to 33,945.78, 50,951.07 and 20,823.78 is: 31,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,945.78 : 50,951.07 = 20,823.78 : x
  2. Step 2: Convert to fraction form
    33,945.78/50,951.07 = 20,823.78/x
  3. Step 3: Cross multiply
    33,945.78x = 50,951.07 × 20,823.78
  4. Step 4: Simplify right side
    33,945.78x = 1,060,993,872.44
  5. Step 5: Solve for x
    x = 1,060,993,872.44/33,945.78
  6. Step 6: Final answer
    x = 31,255.55

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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.