Home / 41,121.92-61,673.65-18,913.96

Finding the Fourth Proportional to 41,121.92, 61,673.65 and 18,913.96

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Solution

The fourth proportional to 41,121.92, 61,673.65 and 18,913.96 is: 28,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,121.92 : 61,673.65 = 18,913.96 : x
  2. Step 2: Convert to fraction form
    41,121.92/61,673.65 = 18,913.96/x
  3. Step 3: Cross multiply
    41,121.92x = 61,673.65 × 18,913.96
  4. Step 4: Simplify right side
    41,121.92x = 1,166,492,996.44
  5. Step 5: Solve for x
    x = 1,166,492,996.44/41,121.92
  6. Step 6: Final answer
    x = 28,366.70

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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.