Home / 38,227.11-52,750.40-21,229.72

Finding the Fourth Proportional to 38,227.11, 52,750.40 and 21,229.72

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Solution

The fourth proportional to 38,227.11, 52,750.40 and 21,229.72 is: 29,295.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,227.11 : 52,750.40 = 21,229.72 : x
  2. Step 2: Convert to fraction form
    38,227.11/52,750.40 = 21,229.72/x
  3. Step 3: Cross multiply
    38,227.11x = 52,750.40 × 21,229.72
  4. Step 4: Simplify right side
    38,227.11x = 1,119,876,115.74
  5. Step 5: Solve for x
    x = 1,119,876,115.74/38,227.11
  6. Step 6: Final answer
    x = 29,295.34

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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.