Home / 41,181.84-61,778-11,196.70

Finding the Fourth Proportional to 41,181.84, 61,778 and 11,196.70

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Solution

The fourth proportional to 41,181.84, 61,778 and 11,196.70 is: 16,796.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,181.84 : 61,778 = 11,196.70 : x
  2. Step 2: Convert to fraction form
    41,181.84/61,778 = 11,196.70/x
  3. Step 3: Cross multiply
    41,181.84x = 61,778 × 11,196.70
  4. Step 4: Simplify right side
    41,181.84x = 691,709,732.60
  5. Step 5: Solve for x
    x = 691,709,732.60/41,181.84
  6. Step 6: Final answer
    x = 16,796.47

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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.