Home / 54,936.63-82,356.07-19,868.49

Finding the Fourth Proportional to 54,936.63, 82,356.07 and 19,868.49

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Solution

The fourth proportional to 54,936.63, 82,356.07 and 19,868.49 is: 29,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,936.63 : 82,356.07 = 19,868.49 : x
  2. Step 2: Convert to fraction form
    54,936.63/82,356.07 = 19,868.49/x
  3. Step 3: Cross multiply
    54,936.63x = 82,356.07 × 19,868.49
  4. Step 4: Simplify right side
    54,936.63x = 1,636,290,242.11
  5. Step 5: Solve for x
    x = 1,636,290,242.11/54,936.63
  6. Step 6: Final answer
    x = 29,785.05

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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.