Home / 36,306.72-54,372.58-20,676.96

Finding the Fourth Proportional to 36,306.72, 54,372.58 and 20,676.96

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Solution

The fourth proportional to 36,306.72, 54,372.58 and 20,676.96 is: 30,965.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,306.72 : 54,372.58 = 20,676.96 : x
  2. Step 2: Convert to fraction form
    36,306.72/54,372.58 = 20,676.96/x
  3. Step 3: Cross multiply
    36,306.72x = 54,372.58 × 20,676.96
  4. Step 4: Simplify right side
    36,306.72x = 1,124,259,661.76
  5. Step 5: Solve for x
    x = 1,124,259,661.76/36,306.72
  6. Step 6: Final answer
    x = 30,965.61

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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.