Home / 50,131.88-69,181.99-29,989.61

Finding the Fourth Proportional to 50,131.88, 69,181.99 and 29,989.61

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Solution

The fourth proportional to 50,131.88, 69,181.99 and 29,989.61 is: 41,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,131.88 : 69,181.99 = 29,989.61 : x
  2. Step 2: Convert to fraction form
    50,131.88/69,181.99 = 29,989.61/x
  3. Step 3: Cross multiply
    50,131.88x = 69,181.99 × 29,989.61
  4. Step 4: Simplify right side
    50,131.88x = 2,074,740,478.24
  5. Step 5: Solve for x
    x = 2,074,740,478.24/50,131.88
  6. Step 6: Final answer
    x = 41,385.65

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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.