Home / 41,127.70-61,709.10-20,086.33

Finding the Fourth Proportional to 41,127.70, 61,709.10 and 20,086.33

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Solution

The fourth proportional to 41,127.70, 61,709.10 and 20,086.33 is: 30,138.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,127.70 : 61,709.10 = 20,086.33 : x
  2. Step 2: Convert to fraction form
    41,127.70/61,709.10 = 20,086.33/x
  3. Step 3: Cross multiply
    41,127.70x = 61,709.10 × 20,086.33
  4. Step 4: Simplify right side
    41,127.70x = 1,239,509,346.60
  5. Step 5: Solve for x
    x = 1,239,509,346.60/41,127.70
  6. Step 6: Final answer
    x = 30,138.07

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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.