Home / 39,786.24-54,896.72-23,659.28

Finding the Fourth Proportional to 39,786.24, 54,896.72 and 23,659.28

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Solution

The fourth proportional to 39,786.24, 54,896.72 and 23,659.28 is: 32,644.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,786.24 : 54,896.72 = 23,659.28 : x
  2. Step 2: Convert to fraction form
    39,786.24/54,896.72 = 23,659.28/x
  3. Step 3: Cross multiply
    39,786.24x = 54,896.72 × 23,659.28
  4. Step 4: Simplify right side
    39,786.24x = 1,298,816,869.56
  5. Step 5: Solve for x
    x = 1,298,816,869.56/39,786.24
  6. Step 6: Final answer
    x = 32,644.88

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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.