Home / 36,352.80-54,432-20,748.96

Finding the Fourth Proportional to 36,352.80, 54,432 and 20,748.96

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Solution

The fourth proportional to 36,352.80, 54,432 and 20,748.96 is: 31,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,352.80 : 54,432 = 20,748.96 : x
  2. Step 2: Convert to fraction form
    36,352.80/54,432 = 20,748.96/x
  3. Step 3: Cross multiply
    36,352.80x = 54,432 × 20,748.96
  4. Step 4: Simplify right side
    36,352.80x = 1,129,407,390.72
  5. Step 5: Solve for x
    x = 1,129,407,390.72/36,352.80
  6. Step 6: Final answer
    x = 31,067.96

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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.