Home / 31,682.22-43,723.50-18,253.24

Finding the Fourth Proportional to 31,682.22, 43,723.50 and 18,253.24

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Solution

The fourth proportional to 31,682.22, 43,723.50 and 18,253.24 is: 25,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,682.22 : 43,723.50 = 18,253.24 : x
  2. Step 2: Convert to fraction form
    31,682.22/43,723.50 = 18,253.24/x
  3. Step 3: Cross multiply
    31,682.22x = 43,723.50 × 18,253.24
  4. Step 4: Simplify right side
    31,682.22x = 798,095,539.14
  5. Step 5: Solve for x
    x = 798,095,539.14/31,682.22
  6. Step 6: Final answer
    x = 25,190.64

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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.