Home / 40,796.80-61,190.34-11,217.64

Finding the Fourth Proportional to 40,796.80, 61,190.34 and 11,217.64

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Solution

The fourth proportional to 40,796.80, 61,190.34 and 11,217.64 is: 16,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,796.80 : 61,190.34 = 11,217.64 : x
  2. Step 2: Convert to fraction form
    40,796.80/61,190.34 = 11,217.64/x
  3. Step 3: Cross multiply
    40,796.80x = 61,190.34 × 11,217.64
  4. Step 4: Simplify right side
    40,796.80x = 686,411,205.60
  5. Step 5: Solve for x
    x = 686,411,205.60/40,796.80
  6. Step 6: Final answer
    x = 16,825.12

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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.