Home / 36,489.33-54,734.00-28,181.47

Finding the Fourth Proportional to 36,489.33, 54,734.00 and 28,181.47

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Solution

The fourth proportional to 36,489.33, 54,734.00 and 28,181.47 is: 42,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,489.33 : 54,734.00 = 28,181.47 : x
  2. Step 2: Convert to fraction form
    36,489.33/54,734.00 = 28,181.47/x
  3. Step 3: Cross multiply
    36,489.33x = 54,734.00 × 28,181.47
  4. Step 4: Simplify right side
    36,489.33x = 1,542,484,164.40
  5. Step 5: Solve for x
    x = 1,542,484,164.40/36,489.33
  6. Step 6: Final answer
    x = 42,272.20

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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.