Home / 55,021.36-82,537.51-19,963.75

Finding the Fourth Proportional to 55,021.36, 82,537.51 and 19,963.75

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Solution

The fourth proportional to 55,021.36, 82,537.51 and 19,963.75 is: 29,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,021.36 : 82,537.51 = 19,963.75 : x
  2. Step 2: Convert to fraction form
    55,021.36/82,537.51 = 19,963.75/x
  3. Step 3: Cross multiply
    55,021.36x = 82,537.51 × 19,963.75
  4. Step 4: Simplify right side
    55,021.36x = 1,647,758,115.44
  5. Step 5: Solve for x
    x = 1,647,758,115.44/55,021.36
  6. Step 6: Final answer
    x = 29,947.61

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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.