Home / 54,578.84-81,868.26-19,516.37

Finding the Fourth Proportional to 54,578.84, 81,868.26 and 19,516.37

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Solution

The fourth proportional to 54,578.84, 81,868.26 and 19,516.37 is: 29,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,578.84 : 81,868.26 = 19,516.37 : x
  2. Step 2: Convert to fraction form
    54,578.84/81,868.26 = 19,516.37/x
  3. Step 3: Cross multiply
    54,578.84x = 81,868.26 × 19,516.37
  4. Step 4: Simplify right side
    54,578.84x = 1,597,771,253.42
  5. Step 5: Solve for x
    x = 1,597,771,253.42/54,578.84
  6. Step 6: Final answer
    x = 29,274.56

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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.