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Finding the Fourth Proportional to 29,812.99, 44,721.01 and 7,626.56

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Solution

The fourth proportional to 29,812.99, 44,721.01 and 7,626.56 is: 11,440.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,812.99 : 44,721.01 = 7,626.56 : x
  2. Step 2: Convert to fraction form
    29,812.99/44,721.01 = 7,626.56/x
  3. Step 3: Cross multiply
    29,812.99x = 44,721.01 × 7,626.56
  4. Step 4: Simplify right side
    29,812.99x = 341,067,251.95
  5. Step 5: Solve for x
    x = 341,067,251.95/29,812.99
  6. Step 6: Final answer
    x = 11,440.22

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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.