Home / 38,053.75-52,514.18-21,286.75

Finding the Fourth Proportional to 38,053.75, 52,514.18 and 21,286.75

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Solution

The fourth proportional to 38,053.75, 52,514.18 and 21,286.75 is: 29,375.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,053.75 : 52,514.18 = 21,286.75 : x
  2. Step 2: Convert to fraction form
    38,053.75/52,514.18 = 21,286.75/x
  3. Step 3: Cross multiply
    38,053.75x = 52,514.18 × 21,286.75
  4. Step 4: Simplify right side
    38,053.75x = 1,117,856,221.12
  5. Step 5: Solve for x
    x = 1,117,856,221.12/38,053.75
  6. Step 6: Final answer
    x = 29,375.72

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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.