Home / 33,273.04-49,921.32-20,778.60

Finding the Fourth Proportional to 33,273.04, 49,921.32 and 20,778.60

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Solution

The fourth proportional to 33,273.04, 49,921.32 and 20,778.60 is: 31,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,273.04 : 49,921.32 = 20,778.60 : x
  2. Step 2: Convert to fraction form
    33,273.04/49,921.32 = 20,778.60/x
  3. Step 3: Cross multiply
    33,273.04x = 49,921.32 × 20,778.60
  4. Step 4: Simplify right side
    33,273.04x = 1,037,295,139.75
  5. Step 5: Solve for x
    x = 1,037,295,139.75/33,273.04
  6. Step 6: Final answer
    x = 31,175.24

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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.