Home / 22,579.58-33,862.19-21,105.40

Finding the Fourth Proportional to 22,579.58, 33,862.19 and 21,105.40

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Solution

The fourth proportional to 22,579.58, 33,862.19 and 21,105.40 is: 31,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,579.58 : 33,862.19 = 21,105.40 : x
  2. Step 2: Convert to fraction form
    22,579.58/33,862.19 = 21,105.40/x
  3. Step 3: Cross multiply
    22,579.58x = 33,862.19 × 21,105.40
  4. Step 4: Simplify right side
    22,579.58x = 714,675,260.62
  5. Step 5: Solve for x
    x = 714,675,260.62/22,579.58
  6. Step 6: Final answer
    x = 31,651.40

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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.