Home / 41,780.58-62,678.97-12,198.66

Finding the Fourth Proportional to 41,780.58, 62,678.97 and 12,198.66

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Solution

The fourth proportional to 41,780.58, 62,678.97 and 12,198.66 is: 18,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,780.58 : 62,678.97 = 12,198.66 : x
  2. Step 2: Convert to fraction form
    41,780.58/62,678.97 = 12,198.66/x
  3. Step 3: Cross multiply
    41,780.58x = 62,678.97 × 12,198.66
  4. Step 4: Simplify right side
    41,780.58x = 764,599,444.18
  5. Step 5: Solve for x
    x = 764,599,444.18/41,780.58
  6. Step 6: Final answer
    x = 18,300.35

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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.