Home / 38,223.97-52,747.27-21,229.30

Finding the Fourth Proportional to 38,223.97, 52,747.27 and 21,229.30

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Solution

The fourth proportional to 38,223.97, 52,747.27 and 21,229.30 is: 29,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,223.97 : 52,747.27 = 21,229.30 : x
  2. Step 2: Convert to fraction form
    38,223.97/52,747.27 = 21,229.30/x
  3. Step 3: Cross multiply
    38,223.97x = 52,747.27 × 21,229.30
  4. Step 4: Simplify right side
    38,223.97x = 1,119,787,619.01
  5. Step 5: Solve for x
    x = 1,119,787,619.01/38,223.97
  6. Step 6: Final answer
    x = 29,295.43

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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.