Home / 33,176.20-49,764.30-20,021.80

Finding the Fourth Proportional to 33,176.20, 49,764.30 and 20,021.80

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Solution

The fourth proportional to 33,176.20, 49,764.30 and 20,021.80 is: 30,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,176.20 : 49,764.30 = 20,021.80 : x
  2. Step 2: Convert to fraction form
    33,176.20/49,764.30 = 20,021.80/x
  3. Step 3: Cross multiply
    33,176.20x = 49,764.30 × 20,021.80
  4. Step 4: Simplify right side
    33,176.20x = 996,370,861.74
  5. Step 5: Solve for x
    x = 996,370,861.74/33,176.20
  6. Step 6: Final answer
    x = 30,032.70

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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.