Home / 55,532.82-83,276.30-21,333.43

Finding the Fourth Proportional to 55,532.82, 83,276.30 and 21,333.43

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Solution

The fourth proportional to 55,532.82, 83,276.30 and 21,333.43 is: 31,991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,532.82 : 83,276.30 = 21,333.43 : x
  2. Step 2: Convert to fraction form
    55,532.82/83,276.30 = 21,333.43/x
  3. Step 3: Cross multiply
    55,532.82x = 83,276.30 × 21,333.43
  4. Step 4: Simplify right side
    55,532.82x = 1,776,568,961.85
  5. Step 5: Solve for x
    x = 1,776,568,961.85/55,532.82
  6. Step 6: Final answer
    x = 31,991.33

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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.