Home / 54,942.57-82,447.70-21,656.97

Finding the Fourth Proportional to 54,942.57, 82,447.70 and 21,656.97

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Solution

The fourth proportional to 54,942.57, 82,447.70 and 21,656.97 is: 32,498.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,942.57 : 82,447.70 = 21,656.97 : x
  2. Step 2: Convert to fraction form
    54,942.57/82,447.70 = 21,656.97/x
  3. Step 3: Cross multiply
    54,942.57x = 82,447.70 × 21,656.97
  4. Step 4: Simplify right side
    54,942.57x = 1,785,567,257.18
  5. Step 5: Solve for x
    x = 1,785,567,257.18/54,942.57
  6. Step 6: Final answer
    x = 32,498.79

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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.