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Finding the Fourth Proportional to 34,245.59, 51,363.59 and 11,755.91

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Solution

The fourth proportional to 34,245.59, 51,363.59 and 11,755.91 is: 17,632.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,245.59 : 51,363.59 = 11,755.91 : x
  2. Step 2: Convert to fraction form
    34,245.59/51,363.59 = 11,755.91/x
  3. Step 3: Cross multiply
    34,245.59x = 51,363.59 × 11,755.91
  4. Step 4: Simplify right side
    34,245.59x = 603,825,425.72
  5. Step 5: Solve for x
    x = 603,825,425.72/34,245.59
  6. Step 6: Final answer
    x = 17,632.21

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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.