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Finding the Fourth Proportional to 36,378, 50,194.08 and 21,267.70

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Solution

The fourth proportional to 36,378, 50,194.08 and 21,267.70 is: 29,345.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,378 : 50,194.08 = 21,267.70 : x
  2. Step 2: Convert to fraction form
    36,378/50,194.08 = 21,267.70/x
  3. Step 3: Cross multiply
    36,378x = 50,194.08 × 21,267.70
  4. Step 4: Simplify right side
    36,378x = 1,067,512,509.73
  5. Step 5: Solve for x
    x = 1,067,512,509.73/36,378
  6. Step 6: Final answer
    x = 29,345.00

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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.