Home / 36,489.59-54,734.37-28,181.72

Finding the Fourth Proportional to 36,489.59, 54,734.37 and 28,181.72

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Solution

The fourth proportional to 36,489.59, 54,734.37 and 28,181.72 is: 42,272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,489.59 : 54,734.37 = 28,181.72 : x
  2. Step 2: Convert to fraction form
    36,489.59/54,734.37 = 28,181.72/x
  3. Step 3: Cross multiply
    36,489.59x = 54,734.37 × 28,181.72
  4. Step 4: Simplify right side
    36,489.59x = 1,542,508,416.04
  5. Step 5: Solve for x
    x = 1,542,508,416.04/36,489.59
  6. Step 6: Final answer
    x = 42,272.57

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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.