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Finding the Fourth Proportional to 50,350, 69,483 and 27,689.40

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Solution

The fourth proportional to 50,350, 69,483 and 27,689.40 is: 38,211.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,350 : 69,483 = 27,689.40 : x
  2. Step 2: Convert to fraction form
    50,350/69,483 = 27,689.40/x
  3. Step 3: Cross multiply
    50,350x = 69,483 × 27,689.40
  4. Step 4: Simplify right side
    50,350x = 1,923,942,580.20
  5. Step 5: Solve for x
    x = 1,923,942,580.20/50,350
  6. Step 6: Final answer
    x = 38,211.37

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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.