Home / 33,620.37-50,415.96-11,427.78

Finding the Fourth Proportional to 33,620.37, 50,415.96 and 11,427.78

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Solution

The fourth proportional to 33,620.37, 50,415.96 and 11,427.78 is: 17,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,620.37 : 50,415.96 = 11,427.78 : x
  2. Step 2: Convert to fraction form
    33,620.37/50,415.96 = 11,427.78/x
  3. Step 3: Cross multiply
    33,620.37x = 50,415.96 × 11,427.78
  4. Step 4: Simplify right side
    33,620.37x = 576,142,731.28
  5. Step 5: Solve for x
    x = 576,142,731.28/33,620.37
  6. Step 6: Final answer
    x = 17,136.72

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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.