Home / 40,778.28-61,167.52-11,196.52

Finding the Fourth Proportional to 40,778.28, 61,167.52 and 11,196.52

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Solution

The fourth proportional to 40,778.28, 61,167.52 and 11,196.52 is: 16,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,778.28 : 61,167.52 = 11,196.52 : x
  2. Step 2: Convert to fraction form
    40,778.28/61,167.52 = 11,196.52/x
  3. Step 3: Cross multiply
    40,778.28x = 61,167.52 × 11,196.52
  4. Step 4: Simplify right side
    40,778.28x = 684,863,361.03
  5. Step 5: Solve for x
    x = 684,863,361.03/40,778.28
  6. Step 6: Final answer
    x = 16,794.81

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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.