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Finding the Fourth Proportional to 50,374, 75,560.55 and 18,782.99

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Solution

The fourth proportional to 50,374, 75,560.55 and 18,782.99 is: 28,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,374 : 75,560.55 = 18,782.99 : x
  2. Step 2: Convert to fraction form
    50,374/75,560.55 = 18,782.99/x
  3. Step 3: Cross multiply
    50,374x = 75,560.55 × 18,782.99
  4. Step 4: Simplify right side
    50,374x = 1,419,253,055.04
  5. Step 5: Solve for x
    x = 1,419,253,055.04/50,374
  6. Step 6: Final answer
    x = 28,174.32

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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.