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Finding the Fourth Proportional to 49,645.94, 68,511.40 and 27,289.94

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Solution

The fourth proportional to 49,645.94, 68,511.40 and 27,289.94 is: 37,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,645.94 : 68,511.40 = 27,289.94 : x
  2. Step 2: Convert to fraction form
    49,645.94/68,511.40 = 27,289.94/x
  3. Step 3: Cross multiply
    49,645.94x = 68,511.40 × 27,289.94
  4. Step 4: Simplify right side
    49,645.94x = 1,869,671,995.32
  5. Step 5: Solve for x
    x = 1,869,671,995.32/49,645.94
  6. Step 6: Final answer
    x = 37,660.12

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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.