Home / 39,991.38-55,190.74-22,086.68

Finding the Fourth Proportional to 39,991.38, 55,190.74 and 22,086.68

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Solution

The fourth proportional to 39,991.38, 55,190.74 and 22,086.68 is: 30,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,991.38 : 55,190.74 = 22,086.68 : x
  2. Step 2: Convert to fraction form
    39,991.38/55,190.74 = 22,086.68/x
  3. Step 3: Cross multiply
    39,991.38x = 55,190.74 × 22,086.68
  4. Step 4: Simplify right side
    39,991.38x = 1,218,980,213.34
  5. Step 5: Solve for x
    x = 1,218,980,213.34/39,991.38
  6. Step 6: Final answer
    x = 30,481.07

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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.