Home / 33,240.68-49,743.96-20,766.60

Finding the Fourth Proportional to 33,240.68, 49,743.96 and 20,766.60

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Solution

The fourth proportional to 33,240.68, 49,743.96 and 20,766.60 is: 31,076.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,240.68 : 49,743.96 = 20,766.60 : x
  2. Step 2: Convert to fraction form
    33,240.68/49,743.96 = 20,766.60/x
  3. Step 3: Cross multiply
    33,240.68x = 49,743.96 × 20,766.60
  4. Step 4: Simplify right side
    33,240.68x = 1,033,012,919.74
  5. Step 5: Solve for x
    x = 1,033,012,919.74/33,240.68
  6. Step 6: Final answer
    x = 31,076.77

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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.