Home / 50,439.12-69,606.50-27,778.56

Finding the Fourth Proportional to 50,439.12, 69,606.50 and 27,778.56

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Solution

The fourth proportional to 50,439.12, 69,606.50 and 27,778.56 is: 38,334.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,439.12 : 69,606.50 = 27,778.56 : x
  2. Step 2: Convert to fraction form
    50,439.12/69,606.50 = 27,778.56/x
  3. Step 3: Cross multiply
    50,439.12x = 69,606.50 × 27,778.56
  4. Step 4: Simplify right side
    50,439.12x = 1,933,568,336.64
  5. Step 5: Solve for x
    x = 1,933,568,336.64/50,439.12
  6. Step 6: Final answer
    x = 38,334.70

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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.