Home / 49,388.92-68,152.41-28,975.10

Finding the Fourth Proportional to 49,388.92, 68,152.41 and 28,975.10

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Solution

The fourth proportional to 49,388.92, 68,152.41 and 28,975.10 is: 39,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,388.92 : 68,152.41 = 28,975.10 : x
  2. Step 2: Convert to fraction form
    49,388.92/68,152.41 = 28,975.10/x
  3. Step 3: Cross multiply
    49,388.92x = 68,152.41 × 28,975.10
  4. Step 4: Simplify right side
    49,388.92x = 1,974,722,579.73
  5. Step 5: Solve for x
    x = 1,974,722,579.73/49,388.92
  6. Step 6: Final answer
    x = 39,983.11

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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.