Home / 30,760.56-46,143.27-15,169.68

Finding the Fourth Proportional to 30,760.56, 46,143.27 and 15,169.68

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Solution

The fourth proportional to 30,760.56, 46,143.27 and 15,169.68 is: 22,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,760.56 : 46,143.27 = 15,169.68 : x
  2. Step 2: Convert to fraction form
    30,760.56/46,143.27 = 15,169.68/x
  3. Step 3: Cross multiply
    30,760.56x = 46,143.27 × 15,169.68
  4. Step 4: Simplify right side
    30,760.56x = 699,978,640.05
  5. Step 5: Solve for x
    x = 699,978,640.05/30,760.56
  6. Step 6: Final answer
    x = 22,755.72

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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.