Home / 49,200.46-67,896.36-27,979.78

Finding the Fourth Proportional to 49,200.46, 67,896.36 and 27,979.78

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Solution

The fourth proportional to 49,200.46, 67,896.36 and 27,979.78 is: 38,611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,200.46 : 67,896.36 = 27,979.78 : x
  2. Step 2: Convert to fraction form
    49,200.46/67,896.36 = 27,979.78/x
  3. Step 3: Cross multiply
    49,200.46x = 67,896.36 × 27,979.78
  4. Step 4: Simplify right side
    49,200.46x = 1,899,725,215.60
  5. Step 5: Solve for x
    x = 1,899,725,215.60/49,200.46
  6. Step 6: Final answer
    x = 38,611.94

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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.