Home / 54,090.73-81,136.40-14,648.18

Finding the Fourth Proportional to 54,090.73, 81,136.40 and 14,648.18

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Solution

The fourth proportional to 54,090.73, 81,136.40 and 14,648.18 is: 21,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,090.73 : 81,136.40 = 14,648.18 : x
  2. Step 2: Convert to fraction form
    54,090.73/81,136.40 = 14,648.18/x
  3. Step 3: Cross multiply
    54,090.73x = 81,136.40 × 14,648.18
  4. Step 4: Simplify right side
    54,090.73x = 1,188,500,721.35
  5. Step 5: Solve for x
    x = 1,188,500,721.35/54,090.73
  6. Step 6: Final answer
    x = 21,972.36

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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.