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Finding the Fourth Proportional to 53,662.17, 80,475.03 and 18,593.64

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Solution

The fourth proportional to 53,662.17, 80,475.03 and 18,593.64 is: 27,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,662.17 : 80,475.03 = 18,593.64 : x
  2. Step 2: Convert to fraction form
    53,662.17/80,475.03 = 18,593.64/x
  3. Step 3: Cross multiply
    53,662.17x = 80,475.03 × 18,593.64
  4. Step 4: Simplify right side
    53,662.17x = 1,496,323,736.81
  5. Step 5: Solve for x
    x = 1,496,323,736.81/53,662.17
  6. Step 6: Final answer
    x = 27,884.15

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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.