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Finding the Fourth Proportional to 49,886.68, 68,843.28 and 27,530.68

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Solution

The fourth proportional to 49,886.68, 68,843.28 and 27,530.68 is: 37,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,886.68 : 68,843.28 = 27,530.68 : x
  2. Step 2: Convert to fraction form
    49,886.68/68,843.28 = 27,530.68/x
  3. Step 3: Cross multiply
    49,886.68x = 68,843.28 × 27,530.68
  4. Step 4: Simplify right side
    49,886.68x = 1,895,302,311.83
  5. Step 5: Solve for x
    x = 1,895,302,311.83/49,886.68
  6. Step 6: Final answer
    x = 37,992.15

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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.