Home / 49,844.80-68,787.36-28,628.32

Finding the Fourth Proportional to 49,844.80, 68,787.36 and 28,628.32

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Solution

The fourth proportional to 49,844.80, 68,787.36 and 28,628.32 is: 39,507.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,844.80 : 68,787.36 = 28,628.32 : x
  2. Step 2: Convert to fraction form
    49,844.80/68,787.36 = 28,628.32/x
  3. Step 3: Cross multiply
    49,844.80x = 68,787.36 × 28,628.32
  4. Step 4: Simplify right side
    49,844.80x = 1,969,266,554.04
  5. Step 5: Solve for x
    x = 1,969,266,554.04/49,844.80
  6. Step 6: Final answer
    x = 39,507.96

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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.