Home / 31,866.62-43,976.00-17,722.19

Finding the Fourth Proportional to 31,866.62, 43,976.00 and 17,722.19

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Solution

The fourth proportional to 31,866.62, 43,976.00 and 17,722.19 is: 24,456.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866.62 : 43,976.00 = 17,722.19 : x
  2. Step 2: Convert to fraction form
    31,866.62/43,976.00 = 17,722.19/x
  3. Step 3: Cross multiply
    31,866.62x = 43,976.00 × 17,722.19
  4. Step 4: Simplify right side
    31,866.62x = 779,351,181.69
  5. Step 5: Solve for x
    x = 779,351,181.69/31,866.62
  6. Step 6: Final answer
    x = 24,456.67

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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.