Home / 49,708.36-74,578.94-20,151.06

Finding the Fourth Proportional to 49,708.36, 74,578.94 and 20,151.06

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Solution

The fourth proportional to 49,708.36, 74,578.94 and 20,151.06 is: 30,233.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,708.36 : 74,578.94 = 20,151.06 : x
  2. Step 2: Convert to fraction form
    49,708.36/74,578.94 = 20,151.06/x
  3. Step 3: Cross multiply
    49,708.36x = 74,578.94 × 20,151.06
  4. Step 4: Simplify right side
    49,708.36x = 1,502,844,694.68
  5. Step 5: Solve for x
    x = 1,502,844,694.68/49,708.36
  6. Step 6: Final answer
    x = 30,233.24

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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.