Home / 36,442.60-54,676.86-18,912.04

Finding the Fourth Proportional to 36,442.60, 54,676.86 and 18,912.04

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Solution

The fourth proportional to 36,442.60, 54,676.86 and 18,912.04 is: 28,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,442.60 : 54,676.86 = 18,912.04 : x
  2. Step 2: Convert to fraction form
    36,442.60/54,676.86 = 18,912.04/x
  3. Step 3: Cross multiply
    36,442.60x = 54,676.86 × 18,912.04
  4. Step 4: Simplify right side
    36,442.60x = 1,034,050,963.39
  5. Step 5: Solve for x
    x = 1,034,050,963.39/36,442.60
  6. Step 6: Final answer
    x = 28,374.79

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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.