Home / 34,176.99-47,160.97-20,755.59

Finding the Fourth Proportional to 34,176.99, 47,160.97 and 20,755.59

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Solution

The fourth proportional to 34,176.99, 47,160.97 and 20,755.59 is: 28,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,176.99 : 47,160.97 = 20,755.59 : x
  2. Step 2: Convert to fraction form
    34,176.99/47,160.97 = 20,755.59/x
  3. Step 3: Cross multiply
    34,176.99x = 47,160.97 × 20,755.59
  4. Step 4: Simplify right side
    34,176.99x = 978,853,653.54
  5. Step 5: Solve for x
    x = 978,853,653.54/34,176.99
  6. Step 6: Final answer
    x = 28,640.73

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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.