Home / 54,943.07-82,359.05-21,650.18

Finding the Fourth Proportional to 54,943.07, 82,359.05 and 21,650.18

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Solution

The fourth proportional to 54,943.07, 82,359.05 and 21,650.18 is: 32,453.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,943.07 : 82,359.05 = 21,650.18 : x
  2. Step 2: Convert to fraction form
    54,943.07/82,359.05 = 21,650.18/x
  3. Step 3: Cross multiply
    54,943.07x = 82,359.05 × 21,650.18
  4. Step 4: Simplify right side
    54,943.07x = 1,783,087,737.08
  5. Step 5: Solve for x
    x = 1,783,087,737.08/54,943.07
  6. Step 6: Final answer
    x = 32,453.37

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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.