Home / 36,691.38-50,634.60-20,775.54

Finding the Fourth Proportional to 36,691.38, 50,634.60 and 20,775.54

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Solution

The fourth proportional to 36,691.38, 50,634.60 and 20,775.54 is: 28,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691.38 : 50,634.60 = 20,775.54 : x
  2. Step 2: Convert to fraction form
    36,691.38/50,634.60 = 20,775.54/x
  3. Step 3: Cross multiply
    36,691.38x = 50,634.60 × 20,775.54
  4. Step 4: Simplify right side
    36,691.38x = 1,051,961,157.68
  5. Step 5: Solve for x
    x = 1,051,961,157.68/36,691.38
  6. Step 6: Final answer
    x = 28,670.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.