Home / 39,842.75-54,982.26-21,937.37

Finding the Fourth Proportional to 39,842.75, 54,982.26 and 21,937.37

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Solution

The fourth proportional to 39,842.75, 54,982.26 and 21,937.37 is: 30,273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,842.75 : 54,982.26 = 21,937.37 : x
  2. Step 2: Convert to fraction form
    39,842.75/54,982.26 = 21,937.37/x
  3. Step 3: Cross multiply
    39,842.75x = 54,982.26 × 21,937.37
  4. Step 4: Simplify right side
    39,842.75x = 1,206,165,906.14
  5. Step 5: Solve for x
    x = 1,206,165,906.14/39,842.75
  6. Step 6: Final answer
    x = 30,273.16

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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.