Home / 41,243.52-61,896.38-30,178.76

Finding the Fourth Proportional to 41,243.52, 61,896.38 and 30,178.76

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Solution

The fourth proportional to 41,243.52, 61,896.38 and 30,178.76 is: 45,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,243.52 : 61,896.38 = 30,178.76 : x
  2. Step 2: Convert to fraction form
    41,243.52/61,896.38 = 30,178.76/x
  3. Step 3: Cross multiply
    41,243.52x = 61,896.38 × 30,178.76
  4. Step 4: Simplify right side
    41,243.52x = 1,867,955,996.89
  5. Step 5: Solve for x
    x = 1,867,955,996.89/41,243.52
  6. Step 6: Final answer
    x = 45,290.90

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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.