Home / 31,381.76-43,306.44-17,234.24

Finding the Fourth Proportional to 31,381.76, 43,306.44 and 17,234.24

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Solution

The fourth proportional to 31,381.76, 43,306.44 and 17,234.24 is: 23,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,381.76 : 43,306.44 = 17,234.24 : x
  2. Step 2: Convert to fraction form
    31,381.76/43,306.44 = 17,234.24/x
  3. Step 3: Cross multiply
    31,381.76x = 43,306.44 × 17,234.24
  4. Step 4: Simplify right side
    31,381.76x = 746,353,580.51
  5. Step 5: Solve for x
    x = 746,353,580.51/31,381.76
  6. Step 6: Final answer
    x = 23,783.04

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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.