Home / 54,533.88-81,815.58-19,476.36

Finding the Fourth Proportional to 54,533.88, 81,815.58 and 19,476.36

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Solution

The fourth proportional to 54,533.88, 81,815.58 and 19,476.36 is: 29,219.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,533.88 : 81,815.58 = 19,476.36 : x
  2. Step 2: Convert to fraction form
    54,533.88/81,815.58 = 19,476.36/x
  3. Step 3: Cross multiply
    54,533.88x = 81,815.58 × 19,476.36
  4. Step 4: Simplify right side
    54,533.88x = 1,593,469,689.69
  5. Step 5: Solve for x
    x = 1,593,469,689.69/54,533.88
  6. Step 6: Final answer
    x = 29,219.81

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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.