Home / 31,381.20-43,306.35-17,234.34

Finding the Fourth Proportional to 31,381.20, 43,306.35 and 17,234.34

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Solution

The fourth proportional to 31,381.20, 43,306.35 and 17,234.34 is: 23,783.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,381.20 : 43,306.35 = 17,234.34 : x
  2. Step 2: Convert to fraction form
    31,381.20/43,306.35 = 17,234.34/x
  3. Step 3: Cross multiply
    31,381.20x = 43,306.35 × 17,234.34
  4. Step 4: Simplify right side
    31,381.20x = 746,356,360.06
  5. Step 5: Solve for x
    x = 746,356,360.06/31,381.20
  6. Step 6: Final answer
    x = 23,783.55

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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.