Home / 54,568.59-81,844.79-15,121.59

Finding the Fourth Proportional to 54,568.59, 81,844.79 and 15,121.59

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Solution

The fourth proportional to 54,568.59, 81,844.79 and 15,121.59 is: 22,680.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,568.59 : 81,844.79 = 15,121.59 : x
  2. Step 2: Convert to fraction form
    54,568.59/81,844.79 = 15,121.59/x
  3. Step 3: Cross multiply
    54,568.59x = 81,844.79 × 15,121.59
  4. Step 4: Simplify right side
    54,568.59x = 1,237,623,282.41
  5. Step 5: Solve for x
    x = 1,237,623,282.41/54,568.59
  6. Step 6: Final answer
    x = 22,680.14

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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.