Home / 31,665.20-43,694.25-18,237.02

Finding the Fourth Proportional to 31,665.20, 43,694.25 and 18,237.02

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Solution

The fourth proportional to 31,665.20, 43,694.25 and 18,237.02 is: 25,164.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,665.20 : 43,694.25 = 18,237.02 : x
  2. Step 2: Convert to fraction form
    31,665.20/43,694.25 = 18,237.02/x
  3. Step 3: Cross multiply
    31,665.20x = 43,694.25 × 18,237.02
  4. Step 4: Simplify right side
    31,665.20x = 796,852,624.27
  5. Step 5: Solve for x
    x = 796,852,624.27/31,665.20
  6. Step 6: Final answer
    x = 25,164.94

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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.