Home / 31,610.65-47,422.82-16,817.42

Finding the Fourth Proportional to 31,610.65, 47,422.82 and 16,817.42

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Solution

The fourth proportional to 31,610.65, 47,422.82 and 16,817.42 is: 25,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,610.65 : 47,422.82 = 16,817.42 : x
  2. Step 2: Convert to fraction form
    31,610.65/47,422.82 = 16,817.42/x
  3. Step 3: Cross multiply
    31,610.65x = 47,422.82 × 16,817.42
  4. Step 4: Simplify right side
    31,610.65x = 797,529,481.52
  5. Step 5: Solve for x
    x = 797,529,481.52/31,610.65
  6. Step 6: Final answer
    x = 25,229.77

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1.5x scale

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.