Home / 22,455.84-33,757.56-20,831.97

Finding the Fourth Proportional to 22,455.84, 33,757.56 and 20,831.97

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Solution

The fourth proportional to 22,455.84, 33,757.56 and 20,831.97 is: 31,316.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455.84 : 33,757.56 = 20,831.97 : x
  2. Step 2: Convert to fraction form
    22,455.84/33,757.56 = 20,831.97/x
  3. Step 3: Cross multiply
    22,455.84x = 33,757.56 × 20,831.97
  4. Step 4: Simplify right side
    22,455.84x = 703,236,477.19
  5. Step 5: Solve for x
    x = 703,236,477.19/22,455.84
  6. Step 6: Final answer
    x = 31,316.42

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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.