Home / 31,654.84-43,690.92-18,233.80

Finding the Fourth Proportional to 31,654.84, 43,690.92 and 18,233.80

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Solution

The fourth proportional to 31,654.84, 43,690.92 and 18,233.80 is: 25,166.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,654.84 : 43,690.92 = 18,233.80 : x
  2. Step 2: Convert to fraction form
    31,654.84/43,690.92 = 18,233.80/x
  3. Step 3: Cross multiply
    31,654.84x = 43,690.92 × 18,233.80
  4. Step 4: Simplify right side
    31,654.84x = 796,651,497.10
  5. Step 5: Solve for x
    x = 796,651,497.10/31,654.84
  6. Step 6: Final answer
    x = 25,166.81

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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.