Home / 36,003.96-49,685.40-20,087.44

Finding the Fourth Proportional to 36,003.96, 49,685.40 and 20,087.44

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Solution

The fourth proportional to 36,003.96, 49,685.40 and 20,087.44 is: 27,720.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,003.96 : 49,685.40 = 20,087.44 : x
  2. Step 2: Convert to fraction form
    36,003.96/49,685.40 = 20,087.44/x
  3. Step 3: Cross multiply
    36,003.96x = 49,685.40 × 20,087.44
  4. Step 4: Simplify right side
    36,003.96x = 998,052,491.38
  5. Step 5: Solve for x
    x = 998,052,491.38/36,003.96
  6. Step 6: Final answer
    x = 27,720.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.