Home / 39,757.24-54,865.41-21,607.96

Finding the Fourth Proportional to 39,757.24, 54,865.41 and 21,607.96

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Solution

The fourth proportional to 39,757.24, 54,865.41 and 21,607.96 is: 29,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,757.24 : 54,865.41 = 21,607.96 : x
  2. Step 2: Convert to fraction form
    39,757.24/54,865.41 = 21,607.96/x
  3. Step 3: Cross multiply
    39,757.24x = 54,865.41 × 21,607.96
  4. Step 4: Simplify right side
    39,757.24x = 1,185,529,584.66
  5. Step 5: Solve for x
    x = 1,185,529,584.66/39,757.24
  6. Step 6: Final answer
    x = 29,819.22

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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.