Home / 36,408.78-54,583.20-16,419.60

Finding the Fourth Proportional to 36,408.78, 54,583.20 and 16,419.60

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Solution

The fourth proportional to 36,408.78, 54,583.20 and 16,419.60 is: 24,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,408.78 : 54,583.20 = 16,419.60 : x
  2. Step 2: Convert to fraction form
    36,408.78/54,583.20 = 16,419.60/x
  3. Step 3: Cross multiply
    36,408.78x = 54,583.20 × 16,419.60
  4. Step 4: Simplify right side
    36,408.78x = 896,234,310.72
  5. Step 5: Solve for x
    x = 896,234,310.72/36,408.78
  6. Step 6: Final answer
    x = 24,615.88

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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.