Home / 31,257.34-43,134.84-17,110.14

Finding the Fourth Proportional to 31,257.34, 43,134.84 and 17,110.14

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Solution

The fourth proportional to 31,257.34, 43,134.84 and 17,110.14 is: 23,611.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,257.34 : 43,134.84 = 17,110.14 : x
  2. Step 2: Convert to fraction form
    31,257.34/43,134.84 = 17,110.14/x
  3. Step 3: Cross multiply
    31,257.34x = 43,134.84 × 17,110.14
  4. Step 4: Simplify right side
    31,257.34x = 738,043,151.28
  5. Step 5: Solve for x
    x = 738,043,151.28/31,257.34
  6. Step 6: Final answer
    x = 23,611.83

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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.