Home / 51,781.20-71,404.92-36,669.84

Finding the Fourth Proportional to 51,781.20, 71,404.92 and 36,669.84

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Solution

The fourth proportional to 51,781.20, 71,404.92 and 36,669.84 is: 50,566.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,781.20 : 71,404.92 = 36,669.84 : x
  2. Step 2: Convert to fraction form
    51,781.20/71,404.92 = 36,669.84/x
  3. Step 3: Cross multiply
    51,781.20x = 71,404.92 × 36,669.84
  4. Step 4: Simplify right side
    51,781.20x = 2,618,406,991.61
  5. Step 5: Solve for x
    x = 2,618,406,991.61/51,781.20
  6. Step 6: Final answer
    x = 50,566.75

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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.