Home / 20,072.05-30,091.62-7,584.97

Finding the Fourth Proportional to 20,072.05, 30,091.62 and 7,584.97

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Solution

The fourth proportional to 20,072.05, 30,091.62 and 7,584.97 is: 11,371.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072.05 : 30,091.62 = 7,584.97 : x
  2. Step 2: Convert to fraction form
    20,072.05/30,091.62 = 7,584.97/x
  3. Step 3: Cross multiply
    20,072.05x = 30,091.62 × 7,584.97
  4. Step 4: Simplify right side
    20,072.05x = 228,244,034.95
  5. Step 5: Solve for x
    x = 228,244,034.95/20,072.05
  6. Step 6: Final answer
    x = 11,371.24

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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.