Home / 49,789.92-68,698.04-28,274.88

Finding the Fourth Proportional to 49,789.92, 68,698.04 and 28,274.88

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Solution

The fourth proportional to 49,789.92, 68,698.04 and 28,274.88 is: 39,012.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,789.92 : 68,698.04 = 28,274.88 : x
  2. Step 2: Convert to fraction form
    49,789.92/68,698.04 = 28,274.88/x
  3. Step 3: Cross multiply
    49,789.92x = 68,698.04 × 28,274.88
  4. Step 4: Simplify right side
    49,789.92x = 1,942,428,837.24
  5. Step 5: Solve for x
    x = 1,942,428,837.24/49,789.92
  6. Step 6: Final answer
    x = 39,012.49

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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.