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Finding the Fourth Proportional to 34,699.11, 52,048.49 and 8,403.85

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Solution

The fourth proportional to 34,699.11, 52,048.49 and 8,403.85 is: 12,605.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,699.11 : 52,048.49 = 8,403.85 : x
  2. Step 2: Convert to fraction form
    34,699.11/52,048.49 = 8,403.85/x
  3. Step 3: Cross multiply
    34,699.11x = 52,048.49 × 8,403.85
  4. Step 4: Simplify right side
    34,699.11x = 437,407,773.00
  5. Step 5: Solve for x
    x = 437,407,773.00/34,699.11
  6. Step 6: Final answer
    x = 12,605.73

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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.