Home / 36,306.68-54,463.38-14,121.72

Finding the Fourth Proportional to 36,306.68, 54,463.38 and 14,121.72

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Solution

The fourth proportional to 36,306.68, 54,463.38 and 14,121.72 is: 21,183.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,306.68 : 54,463.38 = 14,121.72 : x
  2. Step 2: Convert to fraction form
    36,306.68/54,463.38 = 14,121.72/x
  3. Step 3: Cross multiply
    36,306.68x = 54,463.38 × 14,121.72
  4. Step 4: Simplify right side
    36,306.68x = 769,116,602.61
  5. Step 5: Solve for x
    x = 769,116,602.61/36,306.68
  6. Step 6: Final answer
    x = 21,183.89

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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.