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Finding the Fourth Proportional to 50,612.88, 75,922.98 and 19,448.14

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Solution

The fourth proportional to 50,612.88, 75,922.98 and 19,448.14 is: 29,173.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,612.88 : 75,922.98 = 19,448.14 : x
  2. Step 2: Convert to fraction form
    50,612.88/75,922.98 = 19,448.14/x
  3. Step 3: Cross multiply
    50,612.88x = 75,922.98 × 19,448.14
  4. Step 4: Simplify right side
    50,612.88x = 1,476,560,744.26
  5. Step 5: Solve for x
    x = 1,476,560,744.26/50,612.88
  6. Step 6: Final answer
    x = 29,173.62

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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.