Home / 38,371.91-52,951.16-21,143.73

Finding the Fourth Proportional to 38,371.91, 52,951.16 and 21,143.73

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Solution

The fourth proportional to 38,371.91, 52,951.16 and 21,143.73 is: 29,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,371.91 : 52,951.16 = 21,143.73 : x
  2. Step 2: Convert to fraction form
    38,371.91/52,951.16 = 21,143.73/x
  3. Step 3: Cross multiply
    38,371.91x = 52,951.16 × 21,143.73
  4. Step 4: Simplify right side
    38,371.91x = 1,119,585,083.09
  5. Step 5: Solve for x
    x = 1,119,585,083.09/38,371.91
  6. Step 6: Final answer
    x = 29,177.21

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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.