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Finding the Fourth Proportional to 49,897.67, 68,860.82 and 27,238.19

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Solution

The fourth proportional to 49,897.67, 68,860.82 and 27,238.19 is: 37,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,897.67 : 68,860.82 = 27,238.19 : x
  2. Step 2: Convert to fraction form
    49,897.67/68,860.82 = 27,238.19/x
  3. Step 3: Cross multiply
    49,897.67x = 68,860.82 × 27,238.19
  4. Step 4: Simplify right side
    49,897.67x = 1,875,644,098.72
  5. Step 5: Solve for x
    x = 1,875,644,098.72/49,897.67
  6. Step 6: Final answer
    x = 37,589.81

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1.5x scale

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.