Home / 33,165.20-49,690.20-27,981.20

Finding the Fourth Proportional to 33,165.20, 49,690.20 and 27,981.20

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Solution

The fourth proportional to 33,165.20, 49,690.20 and 27,981.20 is: 41,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,165.20 : 49,690.20 = 27,981.20 : x
  2. Step 2: Convert to fraction form
    33,165.20/49,690.20 = 27,981.20/x
  3. Step 3: Cross multiply
    33,165.20x = 49,690.20 × 27,981.20
  4. Step 4: Simplify right side
    33,165.20x = 1,390,391,424.24
  5. Step 5: Solve for x
    x = 1,390,391,424.24/33,165.20
  6. Step 6: Final answer
    x = 41,923.20

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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.