Home / 50,214.78-75,274.11-18,616.32

Finding the Fourth Proportional to 50,214.78, 75,274.11 and 18,616.32

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Solution

The fourth proportional to 50,214.78, 75,274.11 and 18,616.32 is: 27,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,214.78 : 75,274.11 = 18,616.32 : x
  2. Step 2: Convert to fraction form
    50,214.78/75,274.11 = 18,616.32/x
  3. Step 3: Cross multiply
    50,214.78x = 75,274.11 × 18,616.32
  4. Step 4: Simplify right side
    50,214.78x = 1,401,326,919.48
  5. Step 5: Solve for x
    x = 1,401,326,919.48/50,214.78
  6. Step 6: Final answer
    x = 27,906.66

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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.