Home / 80,631.41-120,961.73-33,220.17

Finding the Fourth Proportional to 80,631.41, 120,961.73 and 33,220.17

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Solution

The fourth proportional to 80,631.41, 120,961.73 and 33,220.17 is: 49,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,631.41 : 120,961.73 = 33,220.17 : x
  2. Step 2: Convert to fraction form
    80,631.41/120,961.73 = 33,220.17/x
  3. Step 3: Cross multiply
    80,631.41x = 120,961.73 × 33,220.17
  4. Step 4: Simplify right side
    80,631.41x = 4,018,369,317.14
  5. Step 5: Solve for x
    x = 4,018,369,317.14/80,631.41
  6. Step 6: Final answer
    x = 49,836.28

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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.