Home / 31,380.78-43,306.23-17,233.93

Finding the Fourth Proportional to 31,380.78, 43,306.23 and 17,233.93

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Solution

The fourth proportional to 31,380.78, 43,306.23 and 17,233.93 is: 23,783.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,380.78 : 43,306.23 = 17,233.93 : x
  2. Step 2: Convert to fraction form
    31,380.78/43,306.23 = 17,233.93/x
  3. Step 3: Cross multiply
    31,380.78x = 43,306.23 × 17,233.93
  4. Step 4: Simplify right side
    31,380.78x = 746,336,233.68
  5. Step 5: Solve for x
    x = 746,336,233.68/31,380.78
  6. Step 6: Final answer
    x = 23,783.23

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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.