Home / 39,262.38-54,182.37-21,357.54

Finding the Fourth Proportional to 39,262.38, 54,182.37 and 21,357.54

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Solution

The fourth proportional to 39,262.38, 54,182.37 and 21,357.54 is: 29,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,262.38 : 54,182.37 = 21,357.54 : x
  2. Step 2: Convert to fraction form
    39,262.38/54,182.37 = 21,357.54/x
  3. Step 3: Cross multiply
    39,262.38x = 54,182.37 × 21,357.54
  4. Step 4: Simplify right side
    39,262.38x = 1,157,202,134.57
  5. Step 5: Solve for x
    x = 1,157,202,134.57/39,262.38
  6. Step 6: Final answer
    x = 29,473.56

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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.