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Finding the Fourth Proportional to 30,873.53, 46,310.33 and 7,499.97

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Solution

The fourth proportional to 30,873.53, 46,310.33 and 7,499.97 is: 11,249.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873.53 : 46,310.33 = 7,499.97 : x
  2. Step 2: Convert to fraction form
    30,873.53/46,310.33 = 7,499.97/x
  3. Step 3: Cross multiply
    30,873.53x = 46,310.33 × 7,499.97
  4. Step 4: Simplify right side
    30,873.53x = 347,326,104.44
  5. Step 5: Solve for x
    x = 347,326,104.44/30,873.53
  6. Step 6: Final answer
    x = 11,249.96

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1.5x scale

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.