Home / 39,834.92-59,789.30-20,127.33

Finding the Fourth Proportional to 39,834.92, 59,789.30 and 20,127.33

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Solution

The fourth proportional to 39,834.92, 59,789.30 and 20,127.33 is: 30,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,834.92 : 59,789.30 = 20,127.33 : x
  2. Step 2: Convert to fraction form
    39,834.92/59,789.30 = 20,127.33/x
  3. Step 3: Cross multiply
    39,834.92x = 59,789.30 × 20,127.33
  4. Step 4: Simplify right side
    39,834.92x = 1,203,398,971.57
  5. Step 5: Solve for x
    x = 1,203,398,971.57/39,834.92
  6. Step 6: Final answer
    x = 30,209.65

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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.