Home / 51,514.18-71,083.68-28,850.02

Finding the Fourth Proportional to 51,514.18, 71,083.68 and 28,850.02

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Solution

The fourth proportional to 51,514.18, 71,083.68 and 28,850.02 is: 39,809.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,514.18 : 71,083.68 = 28,850.02 : x
  2. Step 2: Convert to fraction form
    51,514.18/71,083.68 = 28,850.02/x
  3. Step 3: Cross multiply
    51,514.18x = 71,083.68 × 28,850.02
  4. Step 4: Simplify right side
    51,514.18x = 2,050,765,589.67
  5. Step 5: Solve for x
    x = 2,050,765,589.67/51,514.18
  6. Step 6: Final answer
    x = 39,809.73

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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.