Home / 50,642.82-69,872.88-29,131.44

Finding the Fourth Proportional to 50,642.82, 69,872.88 and 29,131.44

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Solution

The fourth proportional to 50,642.82, 69,872.88 and 29,131.44 is: 40,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,642.82 : 69,872.88 = 29,131.44 : x
  2. Step 2: Convert to fraction form
    50,642.82/69,872.88 = 29,131.44/x
  3. Step 3: Cross multiply
    50,642.82x = 69,872.88 × 29,131.44
  4. Step 4: Simplify right side
    50,642.82x = 2,035,497,611.35
  5. Step 5: Solve for x
    x = 2,035,497,611.35/50,642.82
  6. Step 6: Final answer
    x = 40,193.21

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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.