Home / 33,634.20-50,429.70-13,920.60

Finding the Fourth Proportional to 33,634.20, 50,429.70 and 13,920.60

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Solution

The fourth proportional to 33,634.20, 50,429.70 and 13,920.60 is: 20,871.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,634.20 : 50,429.70 = 13,920.60 : x
  2. Step 2: Convert to fraction form
    33,634.20/50,429.70 = 13,920.60/x
  3. Step 3: Cross multiply
    33,634.20x = 50,429.70 × 13,920.60
  4. Step 4: Simplify right side
    33,634.20x = 702,011,681.82
  5. Step 5: Solve for x
    x = 702,011,681.82/33,634.20
  6. Step 6: Final answer
    x = 20,871.96

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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.