Home / 36,190.96-49,942.92-20,275.60

Finding the Fourth Proportional to 36,190.96, 49,942.92 and 20,275.60

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Solution

The fourth proportional to 36,190.96, 49,942.92 and 20,275.60 is: 27,979.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,190.96 : 49,942.92 = 20,275.60 : x
  2. Step 2: Convert to fraction form
    36,190.96/49,942.92 = 20,275.60/x
  3. Step 3: Cross multiply
    36,190.96x = 49,942.92 × 20,275.60
  4. Step 4: Simplify right side
    36,190.96x = 1,012,622,668.75
  5. Step 5: Solve for x
    x = 1,012,622,668.75/36,190.96
  6. Step 6: Final answer
    x = 27,979.99

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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.