Home / 55,195.32-82,770.24-21,910.80

Finding the Fourth Proportional to 55,195.32, 82,770.24 and 21,910.80

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Solution

The fourth proportional to 55,195.32, 82,770.24 and 21,910.80 is: 32,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,195.32 : 82,770.24 = 21,910.80 : x
  2. Step 2: Convert to fraction form
    55,195.32/82,770.24 = 21,910.80/x
  3. Step 3: Cross multiply
    55,195.32x = 82,770.24 × 21,910.80
  4. Step 4: Simplify right side
    55,195.32x = 1,813,562,174.59
  5. Step 5: Solve for x
    x = 1,813,562,174.59/55,195.32
  6. Step 6: Final answer
    x = 32,857.17

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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.