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Finding the Fourth Proportional to 50,662.91, 75,911.10 and 17,364.78

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Solution

The fourth proportional to 50,662.91, 75,911.10 and 17,364.78 is: 26,018.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,662.91 : 75,911.10 = 17,364.78 : x
  2. Step 2: Convert to fraction form
    50,662.91/75,911.10 = 17,364.78/x
  3. Step 3: Cross multiply
    50,662.91x = 75,911.10 × 17,364.78
  4. Step 4: Simplify right side
    50,662.91x = 1,318,179,551.06
  5. Step 5: Solve for x
    x = 1,318,179,551.06/50,662.91
  6. Step 6: Final answer
    x = 26,018.63

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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.