Home / 39,207.33-54,107.91-22,212.54

Finding the Fourth Proportional to 39,207.33, 54,107.91 and 22,212.54

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Solution

The fourth proportional to 39,207.33, 54,107.91 and 22,212.54 is: 30,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,207.33 : 54,107.91 = 22,212.54 : x
  2. Step 2: Convert to fraction form
    39,207.33/54,107.91 = 22,212.54/x
  3. Step 3: Cross multiply
    39,207.33x = 54,107.91 × 22,212.54
  4. Step 4: Simplify right side
    39,207.33x = 1,201,874,115.19
  5. Step 5: Solve for x
    x = 1,201,874,115.19/39,207.33
  6. Step 6: Final answer
    x = 30,654.32

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1.5x scale

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.