Home / 31,656.82-43,693.66-18,235.84

Finding the Fourth Proportional to 31,656.82, 43,693.66 and 18,235.84

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Solution

The fourth proportional to 31,656.82, 43,693.66 and 18,235.84 is: 25,169.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,656.82 : 43,693.66 = 18,235.84 : x
  2. Step 2: Convert to fraction form
    31,656.82/43,693.66 = 18,235.84/x
  3. Step 3: Cross multiply
    31,656.82x = 43,693.66 × 18,235.84
  4. Step 4: Simplify right side
    31,656.82x = 796,790,592.77
  5. Step 5: Solve for x
    x = 796,790,592.77/31,656.82
  6. Step 6: Final answer
    x = 25,169.63

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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.