Home / 33,255.16-45,890.68-18,147.44

Finding the Fourth Proportional to 33,255.16, 45,890.68 and 18,147.44

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Solution

The fourth proportional to 33,255.16, 45,890.68 and 18,147.44 is: 25,042.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,255.16 : 45,890.68 = 18,147.44 : x
  2. Step 2: Convert to fraction form
    33,255.16/45,890.68 = 18,147.44/x
  3. Step 3: Cross multiply
    33,255.16x = 45,890.68 × 18,147.44
  4. Step 4: Simplify right side
    33,255.16x = 832,798,361.86
  5. Step 5: Solve for x
    x = 832,798,361.86/33,255.16
  6. Step 6: Final answer
    x = 25,042.68

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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.