Home / 49,835.62-74,738.76-18,663.58

Finding the Fourth Proportional to 49,835.62, 74,738.76 and 18,663.58

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Solution

The fourth proportional to 49,835.62, 74,738.76 and 18,663.58 is: 27,989.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,835.62 : 74,738.76 = 18,663.58 : x
  2. Step 2: Convert to fraction form
    49,835.62/74,738.76 = 18,663.58/x
  3. Step 3: Cross multiply
    49,835.62x = 74,738.76 × 18,663.58
  4. Step 4: Simplify right side
    49,835.62x = 1,394,892,826.36
  5. Step 5: Solve for x
    x = 1,394,892,826.36/49,835.62
  6. Step 6: Final answer
    x = 27,989.88

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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.