Home / 49,456.20-74,241.90-31,998.60

Finding the Fourth Proportional to 49,456.20, 74,241.90 and 31,998.60

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Solution

The fourth proportional to 49,456.20, 74,241.90 and 31,998.60 is: 48,035.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,456.20 : 74,241.90 = 31,998.60 : x
  2. Step 2: Convert to fraction form
    49,456.20/74,241.90 = 31,998.60/x
  3. Step 3: Cross multiply
    49,456.20x = 74,241.90 × 31,998.60
  4. Step 4: Simplify right side
    49,456.20x = 2,375,636,861.34
  5. Step 5: Solve for x
    x = 2,375,636,861.34/49,456.20
  6. Step 6: Final answer
    x = 48,035.17

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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.