Home / 33,301.10-45,963.24-21,972.62

Finding the Fourth Proportional to 33,301.10, 45,963.24 and 21,972.62

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Solution

The fourth proportional to 33,301.10, 45,963.24 and 21,972.62 is: 30,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,301.10 : 45,963.24 = 21,972.62 : x
  2. Step 2: Convert to fraction form
    33,301.10/45,963.24 = 21,972.62/x
  3. Step 3: Cross multiply
    33,301.10x = 45,963.24 × 21,972.62
  4. Step 4: Simplify right side
    33,301.10x = 1,009,932,806.49
  5. Step 5: Solve for x
    x = 1,009,932,806.49/33,301.10
  6. Step 6: Final answer
    x = 30,327.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.