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Finding the Fourth Proportional to 48,305.88, 66,649.49 and 27,882.94

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Solution

The fourth proportional to 48,305.88, 66,649.49 and 27,882.94 is: 38,471.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,305.88 : 66,649.49 = 27,882.94 : x
  2. Step 2: Convert to fraction form
    48,305.88/66,649.49 = 27,882.94/x
  3. Step 3: Cross multiply
    48,305.88x = 66,649.49 × 27,882.94
  4. Step 4: Simplify right side
    48,305.88x = 1,858,383,730.70
  5. Step 5: Solve for x
    x = 1,858,383,730.70/48,305.88
  6. Step 6: Final answer
    x = 38,471.17

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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.