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Finding the Fourth Proportional to 49,774.69, 68,689.07 and 27,418.69

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Solution

The fourth proportional to 49,774.69, 68,689.07 and 27,418.69 is: 37,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,774.69 : 68,689.07 = 27,418.69 : x
  2. Step 2: Convert to fraction form
    49,774.69/68,689.07 = 27,418.69/x
  3. Step 3: Cross multiply
    49,774.69x = 68,689.07 × 27,418.69
  4. Step 4: Simplify right side
    49,774.69x = 1,883,364,316.72
  5. Step 5: Solve for x
    x = 1,883,364,316.72/49,774.69
  6. Step 6: Final answer
    x = 37,837.79

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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.