Home / 31,729.20-43,786.20-17,582.04

Finding the Fourth Proportional to 31,729.20, 43,786.20 and 17,582.04

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Solution

The fourth proportional to 31,729.20, 43,786.20 and 17,582.04 is: 24,263.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,729.20 : 43,786.20 = 17,582.04 : x
  2. Step 2: Convert to fraction form
    31,729.20/43,786.20 = 17,582.04/x
  3. Step 3: Cross multiply
    31,729.20x = 43,786.20 × 17,582.04
  4. Step 4: Simplify right side
    31,729.20x = 769,850,719.85
  5. Step 5: Solve for x
    x = 769,850,719.85/31,729.20
  6. Step 6: Final answer
    x = 24,263.16

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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.