Home / 31,381.09-43,306.19-17,234.04

Finding the Fourth Proportional to 31,381.09, 43,306.19 and 17,234.04

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Solution

The fourth proportional to 31,381.09, 43,306.19 and 17,234.04 is: 23,783.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,381.09 : 43,306.19 = 17,234.04 : x
  2. Step 2: Convert to fraction form
    31,381.09/43,306.19 = 17,234.04/x
  3. Step 3: Cross multiply
    31,381.09x = 43,306.19 × 17,234.04
  4. Step 4: Simplify right side
    31,381.09x = 746,340,308.01
  5. Step 5: Solve for x
    x = 746,340,308.01/31,381.09
  6. Step 6: Final answer
    x = 23,783.12

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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.