Home / 50,279.20-75,418.52-12,328

Finding the Fourth Proportional to 50,279.20, 75,418.52 and 12,328

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Solution

The fourth proportional to 50,279.20, 75,418.52 and 12,328 is: 18,491.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,279.20 : 75,418.52 = 12,328 : x
  2. Step 2: Convert to fraction form
    50,279.20/75,418.52 = 12,328/x
  3. Step 3: Cross multiply
    50,279.20x = 75,418.52 × 12,328
  4. Step 4: Simplify right side
    50,279.20x = 929,759,514.56
  5. Step 5: Solve for x
    x = 929,759,514.56/50,279.20
  6. Step 6: Final answer
    x = 18,491.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.