Home / 31,584.32-47,362.70-16,789.68

Finding the Fourth Proportional to 31,584.32, 47,362.70 and 16,789.68

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Solution

The fourth proportional to 31,584.32, 47,362.70 and 16,789.68 is: 25,177.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584.32 : 47,362.70 = 16,789.68 : x
  2. Step 2: Convert to fraction form
    31,584.32/47,362.70 = 16,789.68/x
  3. Step 3: Cross multiply
    31,584.32x = 47,362.70 × 16,789.68
  4. Step 4: Simplify right side
    31,584.32x = 795,204,576.94
  5. Step 5: Solve for x
    x = 795,204,576.94/31,584.32
  6. Step 6: Final answer
    x = 25,177.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.