Home / 49,789.64-68,708.84-27,128.82

Finding the Fourth Proportional to 49,789.64, 68,708.84 and 27,128.82

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Solution

The fourth proportional to 49,789.64, 68,708.84 and 27,128.82 is: 37,437.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,789.64 : 68,708.84 = 27,128.82 : x
  2. Step 2: Convert to fraction form
    49,789.64/68,708.84 = 27,128.82/x
  3. Step 3: Cross multiply
    49,789.64x = 68,708.84 × 27,128.82
  4. Step 4: Simplify right side
    49,789.64x = 1,863,989,273.58
  5. Step 5: Solve for x
    x = 1,863,989,273.58/49,789.64
  6. Step 6: Final answer
    x = 37,437.29

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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.