Home / 50,044.40-69,086.26-28,819.56

Finding the Fourth Proportional to 50,044.40, 69,086.26 and 28,819.56

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Solution

The fourth proportional to 50,044.40, 69,086.26 and 28,819.56 is: 39,785.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,044.40 : 69,086.26 = 28,819.56 : x
  2. Step 2: Convert to fraction form
    50,044.40/69,086.26 = 28,819.56/x
  3. Step 3: Cross multiply
    50,044.40x = 69,086.26 × 28,819.56
  4. Step 4: Simplify right side
    50,044.40x = 1,991,035,471.15
  5. Step 5: Solve for x
    x = 1,991,035,471.15/50,044.40
  6. Step 6: Final answer
    x = 39,785.38

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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.