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Finding the Fourth Proportional to 29,872.06, 44,803.77 and 8,811.06

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Solution

The fourth proportional to 29,872.06, 44,803.77 and 8,811.06 is: 13,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,872.06 : 44,803.77 = 8,811.06 : x
  2. Step 2: Convert to fraction form
    29,872.06/44,803.77 = 8,811.06/x
  3. Step 3: Cross multiply
    29,872.06x = 44,803.77 × 8,811.06
  4. Step 4: Simplify right side
    29,872.06x = 394,768,812.95
  5. Step 5: Solve for x
    x = 394,768,812.95/29,872.06
  6. Step 6: Final answer
    x = 13,215.32

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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.