Home / 30,335.58-41,861.96-16,906.12

Finding the Fourth Proportional to 30,335.58, 41,861.96 and 16,906.12

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Solution

The fourth proportional to 30,335.58, 41,861.96 and 16,906.12 is: 23,329.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,335.58 : 41,861.96 = 16,906.12 : x
  2. Step 2: Convert to fraction form
    30,335.58/41,861.96 = 16,906.12/x
  3. Step 3: Cross multiply
    30,335.58x = 41,861.96 × 16,906.12
  4. Step 4: Simplify right side
    30,335.58x = 707,723,319.20
  5. Step 5: Solve for x
    x = 707,723,319.20/30,335.58
  6. Step 6: Final answer
    x = 23,329.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.