Home / 31,723.80-43,764.18-22,297.80

Finding the Fourth Proportional to 31,723.80, 43,764.18 and 22,297.80

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Solution

The fourth proportional to 31,723.80, 43,764.18 and 22,297.80 is: 30,760.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,723.80 : 43,764.18 = 22,297.80 : x
  2. Step 2: Convert to fraction form
    31,723.80/43,764.18 = 22,297.80/x
  3. Step 3: Cross multiply
    31,723.80x = 43,764.18 × 22,297.80
  4. Step 4: Simplify right side
    31,723.80x = 975,844,932.80
  5. Step 5: Solve for x
    x = 975,844,932.80/31,723.80
  6. Step 6: Final answer
    x = 30,760.66

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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.