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Finding the Fourth Proportional to 62,197.38, 85,832.64 and 33,903

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Solution

The fourth proportional to 62,197.38, 85,832.64 and 33,903 is: 46,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,197.38 : 85,832.64 = 33,903 : x
  2. Step 2: Convert to fraction form
    62,197.38/85,832.64 = 33,903/x
  3. Step 3: Cross multiply
    62,197.38x = 85,832.64 × 33,903
  4. Step 4: Simplify right side
    62,197.38x = 2,909,983,993.92
  5. Step 5: Solve for x
    x = 2,909,983,993.92/62,197.38
  6. Step 6: Final answer
    x = 46,786.28

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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.