Home / 49,797.28-68,754.96-30,942.88

Finding the Fourth Proportional to 49,797.28, 68,754.96 and 30,942.88

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Solution

The fourth proportional to 49,797.28, 68,754.96 and 30,942.88 is: 42,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,797.28 : 68,754.96 = 30,942.88 : x
  2. Step 2: Convert to fraction form
    49,797.28/68,754.96 = 30,942.88/x
  3. Step 3: Cross multiply
    49,797.28x = 68,754.96 × 30,942.88
  4. Step 4: Simplify right side
    49,797.28x = 2,127,476,476.68
  5. Step 5: Solve for x
    x = 2,127,476,476.68/49,797.28
  6. Step 6: Final answer
    x = 42,722.74

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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.