Home / 33,400.20-50,128.65-13,692.90

Finding the Fourth Proportional to 33,400.20, 50,128.65 and 13,692.90

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Solution

The fourth proportional to 33,400.20, 50,128.65 and 13,692.90 is: 20,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,400.20 : 50,128.65 = 13,692.90 : x
  2. Step 2: Convert to fraction form
    33,400.20/50,128.65 = 13,692.90/x
  3. Step 3: Cross multiply
    33,400.20x = 50,128.65 × 13,692.90
  4. Step 4: Simplify right side
    33,400.20x = 686,406,591.59
  5. Step 5: Solve for x
    x = 686,406,591.59/33,400.20
  6. Step 6: Final answer
    x = 20,550.97

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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.