Home / 33,218.20-49,730.10-22,137.40

Finding the Fourth Proportional to 33,218.20, 49,730.10 and 22,137.40

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Solution

The fourth proportional to 33,218.20, 49,730.10 and 22,137.40 is: 33,141.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.20 : 49,730.10 = 22,137.40 : x
  2. Step 2: Convert to fraction form
    33,218.20/49,730.10 = 22,137.40/x
  3. Step 3: Cross multiply
    33,218.20x = 49,730.10 × 22,137.40
  4. Step 4: Simplify right side
    33,218.20x = 1,100,895,115.74
  5. Step 5: Solve for x
    x = 1,100,895,115.74/33,218.20
  6. Step 6: Final answer
    x = 33,141.32

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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.