Home / 49,789.58-68,708.75-27,128.76

Finding the Fourth Proportional to 49,789.58, 68,708.75 and 27,128.76

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Solution

The fourth proportional to 49,789.58, 68,708.75 and 27,128.76 is: 37,437.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,789.58 : 68,708.75 = 27,128.76 : x
  2. Step 2: Convert to fraction form
    49,789.58/68,708.75 = 27,128.76/x
  3. Step 3: Cross multiply
    49,789.58x = 68,708.75 × 27,128.76
  4. Step 4: Simplify right side
    49,789.58x = 1,863,982,795.35
  5. Step 5: Solve for x
    x = 1,863,982,795.35/49,789.58
  6. Step 6: Final answer
    x = 37,437.21

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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.