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Finding the Fourth Proportional to 36,429, 50,273 and 20,514.04

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Solution

The fourth proportional to 36,429, 50,273 and 20,514.04 is: 28,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,429 : 50,273 = 20,514.04 : x
  2. Step 2: Convert to fraction form
    36,429/50,273 = 20,514.04/x
  3. Step 3: Cross multiply
    36,429x = 50,273 × 20,514.04
  4. Step 4: Simplify right side
    36,429x = 1,031,302,332.92
  5. Step 5: Solve for x
    x = 1,031,302,332.92/36,429
  6. Step 6: Final answer
    x = 28,309.93

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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.