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Finding the Fourth Proportional to 62,179.92, 85,808.14 and 33,885.56

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Solution

The fourth proportional to 62,179.92, 85,808.14 and 33,885.56 is: 46,761.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,179.92 : 85,808.14 = 33,885.56 : x
  2. Step 2: Convert to fraction form
    62,179.92/85,808.14 = 33,885.56/x
  3. Step 3: Cross multiply
    62,179.92x = 85,808.14 × 33,885.56
  4. Step 4: Simplify right side
    62,179.92x = 2,907,656,876.46
  5. Step 5: Solve for x
    x = 2,907,656,876.46/62,179.92
  6. Step 6: Final answer
    x = 46,761.99

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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.