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Finding the Fourth Proportional to 62,221.74, 85,866.09 and 33,927.43

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Solution

The fourth proportional to 62,221.74, 85,866.09 and 33,927.43 is: 46,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,221.74 : 85,866.09 = 33,927.43 : x
  2. Step 2: Convert to fraction form
    62,221.74/85,866.09 = 33,927.43/x
  3. Step 3: Cross multiply
    62,221.74x = 85,866.09 × 33,927.43
  4. Step 4: Simplify right side
    62,221.74x = 2,913,215,757.85
  5. Step 5: Solve for x
    x = 2,913,215,757.85/62,221.74
  6. Step 6: Final answer
    x = 46,819.90

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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.