Home / 21,331.35-31,996.90-5,536.37

Finding the Fourth Proportional to 21,331.35, 31,996.90 and 5,536.37

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Solution

The fourth proportional to 21,331.35, 31,996.90 and 5,536.37 is: 8,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331.35 : 31,996.90 = 5,536.37 : x
  2. Step 2: Convert to fraction form
    21,331.35/31,996.90 = 5,536.37/x
  3. Step 3: Cross multiply
    21,331.35x = 31,996.90 × 5,536.37
  4. Step 4: Simplify right side
    21,331.35x = 177,146,517.27
  5. Step 5: Solve for x
    x = 177,146,517.27/21,331.35
  6. Step 6: Final answer
    x = 8,304.52

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Similar ratio
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1.5x scale

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.