Home / 36,912.38-55,365.46-11,951.89

Finding the Fourth Proportional to 36,912.38, 55,365.46 and 11,951.89

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Solution

The fourth proportional to 36,912.38, 55,365.46 and 11,951.89 is: 17,926.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,912.38 : 55,365.46 = 11,951.89 : x
  2. Step 2: Convert to fraction form
    36,912.38/55,365.46 = 11,951.89/x
  3. Step 3: Cross multiply
    36,912.38x = 55,365.46 × 11,951.89
  4. Step 4: Simplify right side
    36,912.38x = 661,721,719.43
  5. Step 5: Solve for x
    x = 661,721,719.43/36,912.38
  6. Step 6: Final answer
    x = 17,926.83

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1.5x scale

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.