Home / 33,132.78-49,688.64-10,942.02

Finding the Fourth Proportional to 33,132.78, 49,688.64 and 10,942.02

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Solution

The fourth proportional to 33,132.78, 49,688.64 and 10,942.02 is: 16,409.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,132.78 : 49,688.64 = 10,942.02 : x
  2. Step 2: Convert to fraction form
    33,132.78/49,688.64 = 10,942.02/x
  3. Step 3: Cross multiply
    33,132.78x = 49,688.64 × 10,942.02
  4. Step 4: Simplify right side
    33,132.78x = 543,694,092.65
  5. Step 5: Solve for x
    x = 543,694,092.65/33,132.78
  6. Step 6: Final answer
    x = 16,409.55

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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.