Home / 31,273.32-43,157.19-16,933.15

Finding the Fourth Proportional to 31,273.32, 43,157.19 and 16,933.15

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Solution

The fourth proportional to 31,273.32, 43,157.19 and 16,933.15 is: 23,367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,273.32 : 43,157.19 = 16,933.15 : x
  2. Step 2: Convert to fraction form
    31,273.32/43,157.19 = 16,933.15/x
  3. Step 3: Cross multiply
    31,273.32x = 43,157.19 × 16,933.15
  4. Step 4: Simplify right side
    31,273.32x = 730,787,171.85
  5. Step 5: Solve for x
    x = 730,787,171.85/31,273.32
  6. Step 6: Final answer
    x = 23,367.75

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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.