Home / 39,786.56-59,593.44-38,680.64

Finding the Fourth Proportional to 39,786.56, 59,593.44 and 38,680.64

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Solution

The fourth proportional to 39,786.56, 59,593.44 and 38,680.64 is: 57,936.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,786.56 : 59,593.44 = 38,680.64 : x
  2. Step 2: Convert to fraction form
    39,786.56/59,593.44 = 38,680.64/x
  3. Step 3: Cross multiply
    39,786.56x = 59,593.44 × 38,680.64
  4. Step 4: Simplify right side
    39,786.56x = 2,305,112,399.00
  5. Step 5: Solve for x
    x = 2,305,112,399.00/39,786.56
  6. Step 6: Final answer
    x = 57,936.96

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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.