Home / 50,990.46-76,399.32-31,227.72

Finding the Fourth Proportional to 50,990.46, 76,399.32 and 31,227.72

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Solution

The fourth proportional to 50,990.46, 76,399.32 and 31,227.72 is: 46,788.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,990.46 : 76,399.32 = 31,227.72 : x
  2. Step 2: Convert to fraction form
    50,990.46/76,399.32 = 31,227.72/x
  3. Step 3: Cross multiply
    50,990.46x = 76,399.32 × 31,227.72
  4. Step 4: Simplify right side
    50,990.46x = 2,385,776,573.15
  5. Step 5: Solve for x
    x = 2,385,776,573.15/50,990.46
  6. Step 6: Final answer
    x = 46,788.69

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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.