Home / 31,662.70-47,494.05-11,936.65

Finding the Fourth Proportional to 31,662.70, 47,494.05 and 11,936.65

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Solution

The fourth proportional to 31,662.70, 47,494.05 and 11,936.65 is: 17,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,662.70 : 47,494.05 = 11,936.65 : x
  2. Step 2: Convert to fraction form
    31,662.70/47,494.05 = 11,936.65/x
  3. Step 3: Cross multiply
    31,662.70x = 47,494.05 × 11,936.65
  4. Step 4: Simplify right side
    31,662.70x = 566,919,777.49
  5. Step 5: Solve for x
    x = 566,919,777.49/31,662.70
  6. Step 6: Final answer
    x = 17,904.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.