Home / 31,896.60-44,022.78-19,964.76

Finding the Fourth Proportional to 31,896.60, 44,022.78 and 19,964.76

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Solution

The fourth proportional to 31,896.60, 44,022.78 and 19,964.76 is: 27,554.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,896.60 : 44,022.78 = 19,964.76 : x
  2. Step 2: Convert to fraction form
    31,896.60/44,022.78 = 19,964.76/x
  3. Step 3: Cross multiply
    31,896.60x = 44,022.78 × 19,964.76
  4. Step 4: Simplify right side
    31,896.60x = 878,904,237.23
  5. Step 5: Solve for x
    x = 878,904,237.23/31,896.60
  6. Step 6: Final answer
    x = 27,554.79

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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.