Home / 31,380.28-43,305.54-17,233.43

Finding the Fourth Proportional to 31,380.28, 43,305.54 and 17,233.43

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Solution

The fourth proportional to 31,380.28, 43,305.54 and 17,233.43 is: 23,782.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,380.28 : 43,305.54 = 17,233.43 : x
  2. Step 2: Convert to fraction form
    31,380.28/43,305.54 = 17,233.43/x
  3. Step 3: Cross multiply
    31,380.28x = 43,305.54 × 17,233.43
  4. Step 4: Simplify right side
    31,380.28x = 746,302,711.05
  5. Step 5: Solve for x
    x = 746,302,711.05/31,380.28
  6. Step 6: Final answer
    x = 23,782.54

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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.