Home / 49,479.75-68,286.38-27,128.07

Finding the Fourth Proportional to 49,479.75, 68,286.38 and 27,128.07

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Solution

The fourth proportional to 49,479.75, 68,286.38 and 27,128.07 is: 37,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,479.75 : 68,286.38 = 27,128.07 : x
  2. Step 2: Convert to fraction form
    49,479.75/68,286.38 = 27,128.07/x
  3. Step 3: Cross multiply
    49,479.75x = 68,286.38 × 27,128.07
  4. Step 4: Simplify right side
    49,479.75x = 1,852,477,561.05
  5. Step 5: Solve for x
    x = 1,852,477,561.05/49,479.75
  6. Step 6: Final answer
    x = 37,439.11

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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.