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Finding the Fourth Proportional to 49,797.51, 68,719.68 and 27,136.68

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Solution

The fourth proportional to 49,797.51, 68,719.68 and 27,136.68 is: 37,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,797.51 : 68,719.68 = 27,136.68 : x
  2. Step 2: Convert to fraction form
    49,797.51/68,719.68 = 27,136.68/x
  3. Step 3: Cross multiply
    49,797.51x = 68,719.68 × 27,136.68
  4. Step 4: Simplify right side
    49,797.51x = 1,864,823,965.86
  5. Step 5: Solve for x
    x = 1,864,823,965.86/49,797.51
  6. Step 6: Final answer
    x = 37,448.14

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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.