Home / 31,299.58-43,186.38-17,866.54

Finding the Fourth Proportional to 31,299.58, 43,186.38 and 17,866.54

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Solution

The fourth proportional to 31,299.58, 43,186.38 and 17,866.54 is: 24,651.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,299.58 : 43,186.38 = 17,866.54 : x
  2. Step 2: Convert to fraction form
    31,299.58/43,186.38 = 17,866.54/x
  3. Step 3: Cross multiply
    31,299.58x = 43,186.38 × 17,866.54
  4. Step 4: Simplify right side
    31,299.58x = 771,591,185.73
  5. Step 5: Solve for x
    x = 771,591,185.73/31,299.58
  6. Step 6: Final answer
    x = 24,651.81

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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.