Home / 36,190.53-49,942.94-20,275.31

Finding the Fourth Proportional to 36,190.53, 49,942.94 and 20,275.31

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Solution

The fourth proportional to 36,190.53, 49,942.94 and 20,275.31 is: 27,979.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,190.53 : 49,942.94 = 20,275.31 : x
  2. Step 2: Convert to fraction form
    36,190.53/49,942.94 = 20,275.31/x
  3. Step 3: Cross multiply
    36,190.53x = 49,942.94 × 20,275.31
  4. Step 4: Simplify right side
    36,190.53x = 1,012,608,239.72
  5. Step 5: Solve for x
    x = 1,012,608,239.72/36,190.53
  6. Step 6: Final answer
    x = 27,979.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.