Home / 36,072.40-54,230.46-29,138.08

Finding the Fourth Proportional to 36,072.40, 54,230.46 and 29,138.08

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Solution

The fourth proportional to 36,072.40, 54,230.46 and 29,138.08 is: 43,805.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.40 : 54,230.46 = 29,138.08 : x
  2. Step 2: Convert to fraction form
    36,072.40/54,230.46 = 29,138.08/x
  3. Step 3: Cross multiply
    36,072.40x = 54,230.46 × 29,138.08
  4. Step 4: Simplify right side
    36,072.40x = 1,580,171,481.92
  5. Step 5: Solve for x
    x = 1,580,171,481.92/36,072.40
  6. Step 6: Final answer
    x = 43,805.55

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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.