Home / 41,780.84-62,691.71-20,722.86

Finding the Fourth Proportional to 41,780.84, 62,691.71 and 20,722.86

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Solution

The fourth proportional to 41,780.84, 62,691.71 and 20,722.86 is: 31,094.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,780.84 : 62,691.71 = 20,722.86 : x
  2. Step 2: Convert to fraction form
    41,780.84/62,691.71 = 20,722.86/x
  3. Step 3: Cross multiply
    41,780.84x = 62,691.71 × 20,722.86
  4. Step 4: Simplify right side
    41,780.84x = 1,299,151,425.88
  5. Step 5: Solve for x
    x = 1,299,151,425.88/41,780.84
  6. Step 6: Final answer
    x = 31,094.43

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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.