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Finding the Fourth Proportional to 62,141.63, 85,755.78 and 33,847.38

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Solution

The fourth proportional to 62,141.63, 85,755.78 and 33,847.38 is: 46,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,141.63 : 85,755.78 = 33,847.38 : x
  2. Step 2: Convert to fraction form
    62,141.63/85,755.78 = 33,847.38/x
  3. Step 3: Cross multiply
    62,141.63x = 85,755.78 × 33,847.38
  4. Step 4: Simplify right side
    62,141.63x = 2,902,608,472.86
  5. Step 5: Solve for x
    x = 2,902,608,472.86/62,141.63
  6. Step 6: Final answer
    x = 46,709.57

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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.