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Finding the Fourth Proportional to 72,433.63, 108,665.84 and 22,512.52

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Solution

The fourth proportional to 72,433.63, 108,665.84 and 22,512.52 is: 33,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,433.63 : 108,665.84 = 22,512.52 : x
  2. Step 2: Convert to fraction form
    72,433.63/108,665.84 = 22,512.52/x
  3. Step 3: Cross multiply
    72,433.63x = 108,665.84 × 22,512.52
  4. Step 4: Simplify right side
    72,433.63x = 2,446,341,896.32
  5. Step 5: Solve for x
    x = 2,446,341,896.32/72,433.63
  6. Step 6: Final answer
    x = 33,773.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.