Home / 54,822.47-82,233.70-20,634.66

Finding the Fourth Proportional to 54,822.47, 82,233.70 and 20,634.66

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Solution

The fourth proportional to 54,822.47, 82,233.70 and 20,634.66 is: 30,951.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,822.47 : 82,233.70 = 20,634.66 : x
  2. Step 2: Convert to fraction form
    54,822.47/82,233.70 = 20,634.66/x
  3. Step 3: Cross multiply
    54,822.47x = 82,233.70 × 20,634.66
  4. Step 4: Simplify right side
    54,822.47x = 1,696,864,388.46
  5. Step 5: Solve for x
    x = 1,696,864,388.46/54,822.47
  6. Step 6: Final answer
    x = 30,951.99

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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.