Home / 54,091.26-81,136.62-14,648.31

Finding the Fourth Proportional to 54,091.26, 81,136.62 and 14,648.31

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Solution

The fourth proportional to 54,091.26, 81,136.62 and 14,648.31 is: 21,972.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,091.26 : 81,136.62 = 14,648.31 : x
  2. Step 2: Convert to fraction form
    54,091.26/81,136.62 = 14,648.31/x
  3. Step 3: Cross multiply
    54,091.26x = 81,136.62 × 14,648.31
  4. Step 4: Simplify right side
    54,091.26x = 1,188,514,362.11
  5. Step 5: Solve for x
    x = 1,188,514,362.11/54,091.26
  6. Step 6: Final answer
    x = 21,972.39

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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.