Home / 50,672.44-69,930.30-30,535.84

Finding the Fourth Proportional to 50,672.44, 69,930.30 and 30,535.84

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Solution

The fourth proportional to 50,672.44, 69,930.30 and 30,535.84 is: 42,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,672.44 : 69,930.30 = 30,535.84 : x
  2. Step 2: Convert to fraction form
    50,672.44/69,930.30 = 30,535.84/x
  3. Step 3: Cross multiply
    50,672.44x = 69,930.30 × 30,535.84
  4. Step 4: Simplify right side
    50,672.44x = 2,135,380,451.95
  5. Step 5: Solve for x
    x = 2,135,380,451.95/50,672.44
  6. Step 6: Final answer
    x = 42,140.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.