Home / 31,982.20-44,140.62-19,415.80

Finding the Fourth Proportional to 31,982.20, 44,140.62 and 19,415.80

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Solution

The fourth proportional to 31,982.20, 44,140.62 and 19,415.80 is: 26,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,982.20 : 44,140.62 = 19,415.80 : x
  2. Step 2: Convert to fraction form
    31,982.20/44,140.62 = 19,415.80/x
  3. Step 3: Cross multiply
    31,982.20x = 44,140.62 × 19,415.80
  4. Step 4: Simplify right side
    31,982.20x = 857,025,449.80
  5. Step 5: Solve for x
    x = 857,025,449.80/31,982.20
  6. Step 6: Final answer
    x = 26,796.95

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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.