Home / 33,415.20-50,135.60-32,890.40

Finding the Fourth Proportional to 33,415.20, 50,135.60 and 32,890.40

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Solution

The fourth proportional to 33,415.20, 50,135.60 and 32,890.40 is: 49,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,415.20 : 50,135.60 = 32,890.40 : x
  2. Step 2: Convert to fraction form
    33,415.20/50,135.60 = 32,890.40/x
  3. Step 3: Cross multiply
    33,415.20x = 50,135.60 × 32,890.40
  4. Step 4: Simplify right side
    33,415.20x = 1,648,979,938.24
  5. Step 5: Solve for x
    x = 1,648,979,938.24/33,415.20
  6. Step 6: Final answer
    x = 49,348.20

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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.