Home / 33,003.20-45,540.22-18,856.96

Finding the Fourth Proportional to 33,003.20, 45,540.22 and 18,856.96

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Solution

The fourth proportional to 33,003.20, 45,540.22 and 18,856.96 is: 26,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,003.20 : 45,540.22 = 18,856.96 : x
  2. Step 2: Convert to fraction form
    33,003.20/45,540.22 = 18,856.96/x
  3. Step 3: Cross multiply
    33,003.20x = 45,540.22 × 18,856.96
  4. Step 4: Simplify right side
    33,003.20x = 858,750,106.93
  5. Step 5: Solve for x
    x = 858,750,106.93/33,003.20
  6. Step 6: Final answer
    x = 26,020.21

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