Home / 49,854.26-68,729.97-39,816.50

Finding the Fourth Proportional to 49,854.26, 68,729.97 and 39,816.50

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Solution

The fourth proportional to 49,854.26, 68,729.97 and 39,816.50 is: 54,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,854.26 : 68,729.97 = 39,816.50 : x
  2. Step 2: Convert to fraction form
    49,854.26/68,729.97 = 39,816.50/x
  3. Step 3: Cross multiply
    49,854.26x = 68,729.97 × 39,816.50
  4. Step 4: Simplify right side
    49,854.26x = 2,736,586,850.51
  5. Step 5: Solve for x
    x = 2,736,586,850.51/49,854.26
  6. Step 6: Final answer
    x = 54,891.74

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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.