Home / 36,489.58-54,755.98-15,428.46

Finding the Fourth Proportional to 36,489.58, 54,755.98 and 15,428.46

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Solution

The fourth proportional to 36,489.58, 54,755.98 and 15,428.46 is: 23,151.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,489.58 : 54,755.98 = 15,428.46 : x
  2. Step 2: Convert to fraction form
    36,489.58/54,755.98 = 15,428.46/x
  3. Step 3: Cross multiply
    36,489.58x = 54,755.98 × 15,428.46
  4. Step 4: Simplify right side
    36,489.58x = 844,800,447.19
  5. Step 5: Solve for x
    x = 844,800,447.19/36,489.58
  6. Step 6: Final answer
    x = 23,151.83

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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.