Home / 40,792.73-61,190.60-11,212.88

Finding the Fourth Proportional to 40,792.73, 61,190.60 and 11,212.88

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Solution

The fourth proportional to 40,792.73, 61,190.60 and 11,212.88 is: 16,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,792.73 : 61,190.60 = 11,212.88 : x
  2. Step 2: Convert to fraction form
    40,792.73/61,190.60 = 11,212.88/x
  3. Step 3: Cross multiply
    40,792.73x = 61,190.60 × 11,212.88
  4. Step 4: Simplify right side
    40,792.73x = 686,122,492.91
  5. Step 5: Solve for x
    x = 686,122,492.91/40,792.73
  6. Step 6: Final answer
    x = 16,819.73

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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.