Home / 31,162.68-43,005.84-17,736.33

Finding the Fourth Proportional to 31,162.68, 43,005.84 and 17,736.33

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Solution

The fourth proportional to 31,162.68, 43,005.84 and 17,736.33 is: 24,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,162.68 : 43,005.84 = 17,736.33 : x
  2. Step 2: Convert to fraction form
    31,162.68/43,005.84 = 17,736.33/x
  3. Step 3: Cross multiply
    31,162.68x = 43,005.84 × 17,736.33
  4. Step 4: Simplify right side
    31,162.68x = 762,765,770.17
  5. Step 5: Solve for x
    x = 762,765,770.17/31,162.68
  6. Step 6: Final answer
    x = 24,476.90

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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.