Home / 30,910.98-46,369.52-8,724.55

Finding the Fourth Proportional to 30,910.98, 46,369.52 and 8,724.55

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Solution

The fourth proportional to 30,910.98, 46,369.52 and 8,724.55 is: 13,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,910.98 : 46,369.52 = 8,724.55 : x
  2. Step 2: Convert to fraction form
    30,910.98/46,369.52 = 8,724.55/x
  3. Step 3: Cross multiply
    30,910.98x = 46,369.52 × 8,724.55
  4. Step 4: Simplify right side
    30,910.98x = 404,553,195.72
  5. Step 5: Solve for x
    x = 404,553,195.72/30,910.98
  6. Step 6: Final answer
    x = 13,087.69

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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.