Home / 81,633.84-122,451.39-22,472.76

Finding the Fourth Proportional to 81,633.84, 122,451.39 and 22,472.76

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Solution

The fourth proportional to 81,633.84, 122,451.39 and 22,472.76 is: 33,709.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,633.84 : 122,451.39 = 22,472.76 : x
  2. Step 2: Convert to fraction form
    81,633.84/122,451.39 = 22,472.76/x
  3. Step 3: Cross multiply
    81,633.84x = 122,451.39 × 22,472.76
  4. Step 4: Simplify right side
    81,633.84x = 2,751,820,699.14
  5. Step 5: Solve for x
    x = 2,751,820,699.14/81,633.84
  6. Step 6: Final answer
    x = 33,709.31

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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.