Home / 38,082.08-52,553.24-21,315.08

Finding the Fourth Proportional to 38,082.08, 52,553.24 and 21,315.08

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Solution

The fourth proportional to 38,082.08, 52,553.24 and 21,315.08 is: 29,414.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,082.08 : 52,553.24 = 21,315.08 : x
  2. Step 2: Convert to fraction form
    38,082.08/52,553.24 = 21,315.08/x
  3. Step 3: Cross multiply
    38,082.08x = 52,553.24 × 21,315.08
  4. Step 4: Simplify right side
    38,082.08x = 1,120,176,514.86
  5. Step 5: Solve for x
    x = 1,120,176,514.86/38,082.08
  6. Step 6: Final answer
    x = 29,414.79

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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.