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Finding the Fourth Proportional to 72,839.52, 109,264.01 and 22,921.52

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Solution

The fourth proportional to 72,839.52, 109,264.01 and 22,921.52 is: 34,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,839.52 : 109,264.01 = 22,921.52 : x
  2. Step 2: Convert to fraction form
    72,839.52/109,264.01 = 22,921.52/x
  3. Step 3: Cross multiply
    72,839.52x = 109,264.01 × 22,921.52
  4. Step 4: Simplify right side
    72,839.52x = 2,504,496,529.57
  5. Step 5: Solve for x
    x = 2,504,496,529.57/72,839.52
  6. Step 6: Final answer
    x = 34,383.76

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1.5x scale

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.