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Finding the Fourth Proportional to 59,174.80, 81,650.40 and 33,679.66

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Solution

The fourth proportional to 59,174.80, 81,650.40 and 33,679.66 is: 46,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,174.80 : 81,650.40 = 33,679.66 : x
  2. Step 2: Convert to fraction form
    59,174.80/81,650.40 = 33,679.66/x
  3. Step 3: Cross multiply
    59,174.80x = 81,650.40 × 33,679.66
  4. Step 4: Simplify right side
    59,174.80x = 2,749,957,302.61
  5. Step 5: Solve for x
    x = 2,749,957,302.61/59,174.80
  6. Step 6: Final answer
    x = 46,471.77

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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.