Home / 33,420.87-50,127.39-13,429.55

Finding the Fourth Proportional to 33,420.87, 50,127.39 and 13,429.55

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Solution

The fourth proportional to 33,420.87, 50,127.39 and 13,429.55 is: 20,142.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,420.87 : 50,127.39 = 13,429.55 : x
  2. Step 2: Convert to fraction form
    33,420.87/50,127.39 = 13,429.55/x
  3. Step 3: Cross multiply
    33,420.87x = 50,127.39 × 13,429.55
  4. Step 4: Simplify right side
    33,420.87x = 673,188,415.69
  5. Step 5: Solve for x
    x = 673,188,415.69/33,420.87
  6. Step 6: Final answer
    x = 20,142.76

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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.