Home / 50,651.22-69,895.19-27,990

Finding the Fourth Proportional to 50,651.22, 69,895.19 and 27,990

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Solution

The fourth proportional to 50,651.22, 69,895.19 and 27,990 is: 38,624.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,651.22 : 69,895.19 = 27,990 : x
  2. Step 2: Convert to fraction form
    50,651.22/69,895.19 = 27,990/x
  3. Step 3: Cross multiply
    50,651.22x = 69,895.19 × 27,990
  4. Step 4: Simplify right side
    50,651.22x = 1,956,366,438.08
  5. Step 5: Solve for x
    x = 1,956,366,438.08/50,651.22
  6. Step 6: Final answer
    x = 38,624.27

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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.