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Finding the Fourth Proportional to 34,402.50, 51,603.84 and 9,778.50

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Solution

The fourth proportional to 34,402.50, 51,603.84 and 9,778.50 is: 14,667.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,402.50 : 51,603.84 = 9,778.50 : x
  2. Step 2: Convert to fraction form
    34,402.50/51,603.84 = 9,778.50/x
  3. Step 3: Cross multiply
    34,402.50x = 51,603.84 × 9,778.50
  4. Step 4: Simplify right side
    34,402.50x = 504,608,149.44
  5. Step 5: Solve for x
    x = 504,608,149.44/34,402.50
  6. Step 6: Final answer
    x = 14,667.78

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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.