Home / 33,120.67-49,685.28-12,057.49

Finding the Fourth Proportional to 33,120.67, 49,685.28 and 12,057.49

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Solution

The fourth proportional to 33,120.67, 49,685.28 and 12,057.49 is: 18,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,120.67 : 49,685.28 = 12,057.49 : x
  2. Step 2: Convert to fraction form
    33,120.67/49,685.28 = 12,057.49/x
  3. Step 3: Cross multiply
    33,120.67x = 49,685.28 × 12,057.49
  4. Step 4: Simplify right side
    33,120.67x = 599,079,766.75
  5. Step 5: Solve for x
    x = 599,079,766.75/33,120.67
  6. Step 6: Final answer
    x = 18,087.79

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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.