Home / 31,832.21-47,748.32-11,839.09

Finding the Fourth Proportional to 31,832.21, 47,748.32 and 11,839.09

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Solution

The fourth proportional to 31,832.21, 47,748.32 and 11,839.09 is: 17,758.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,832.21 : 47,748.32 = 11,839.09 : x
  2. Step 2: Convert to fraction form
    31,832.21/47,748.32 = 11,839.09/x
  3. Step 3: Cross multiply
    31,832.21x = 47,748.32 × 11,839.09
  4. Step 4: Simplify right side
    31,832.21x = 565,296,419.09
  5. Step 5: Solve for x
    x = 565,296,419.09/31,832.21
  6. Step 6: Final answer
    x = 17,758.63

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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.