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Finding the Fourth Proportional to 36,702, 50,653.08 and 21,798

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Solution

The fourth proportional to 36,702, 50,653.08 and 21,798 is: 30,083.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,702 : 50,653.08 = 21,798 : x
  2. Step 2: Convert to fraction form
    36,702/50,653.08 = 21,798/x
  3. Step 3: Cross multiply
    36,702x = 50,653.08 × 21,798
  4. Step 4: Simplify right side
    36,702x = 1,104,135,837.84
  5. Step 5: Solve for x
    x = 1,104,135,837.84/36,702
  6. Step 6: Final answer
    x = 30,083.81

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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.