Home / 54,576.94-81,887.28-17,142.80

Finding the Fourth Proportional to 54,576.94, 81,887.28 and 17,142.80

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Solution

The fourth proportional to 54,576.94, 81,887.28 and 17,142.80 is: 25,721.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,576.94 : 81,887.28 = 17,142.80 : x
  2. Step 2: Convert to fraction form
    54,576.94/81,887.28 = 17,142.80/x
  3. Step 3: Cross multiply
    54,576.94x = 81,887.28 × 17,142.80
  4. Step 4: Simplify right side
    54,576.94x = 1,403,777,263.58
  5. Step 5: Solve for x
    x = 1,403,777,263.58/54,576.94
  6. Step 6: Final answer
    x = 25,721.07

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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.