Home / 50,980.32-76,489.92-19,837.44

Finding the Fourth Proportional to 50,980.32, 76,489.92 and 19,837.44

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Solution

The fourth proportional to 50,980.32, 76,489.92 and 19,837.44 is: 29,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,980.32 : 76,489.92 = 19,837.44 : x
  2. Step 2: Convert to fraction form
    50,980.32/76,489.92 = 19,837.44/x
  3. Step 3: Cross multiply
    50,980.32x = 76,489.92 × 19,837.44
  4. Step 4: Simplify right side
    50,980.32x = 1,517,364,198.60
  5. Step 5: Solve for x
    x = 1,517,364,198.60/50,980.32
  6. Step 6: Final answer
    x = 29,763.72

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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.