Home / 33,984.94-50,977.43-12,920.01

Finding the Fourth Proportional to 33,984.94, 50,977.43 and 12,920.01

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Solution

The fourth proportional to 33,984.94, 50,977.43 and 12,920.01 is: 19,380.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,984.94 : 50,977.43 = 12,920.01 : x
  2. Step 2: Convert to fraction form
    33,984.94/50,977.43 = 12,920.01/x
  3. Step 3: Cross multiply
    33,984.94x = 50,977.43 × 12,920.01
  4. Step 4: Simplify right side
    33,984.94x = 658,628,905.37
  5. Step 5: Solve for x
    x = 658,628,905.37/33,984.94
  6. Step 6: Final answer
    x = 19,380.02

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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.