Home / 29,514.78-40,729.10-16,767.92

Finding the Fourth Proportional to 29,514.78, 40,729.10 and 16,767.92

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Solution

The fourth proportional to 29,514.78, 40,729.10 and 16,767.92 is: 23,138.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,514.78 : 40,729.10 = 16,767.92 : x
  2. Step 2: Convert to fraction form
    29,514.78/40,729.10 = 16,767.92/x
  3. Step 3: Cross multiply
    29,514.78x = 40,729.10 × 16,767.92
  4. Step 4: Simplify right side
    29,514.78x = 682,942,308.46
  5. Step 5: Solve for x
    x = 682,942,308.46/29,514.78
  6. Step 6: Final answer
    x = 23,138.99

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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.