Home / 33,255.37-45,890.98-18,147.66

Finding the Fourth Proportional to 33,255.37, 45,890.98 and 18,147.66

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Solution

The fourth proportional to 33,255.37, 45,890.98 and 18,147.66 is: 25,042.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,255.37 : 45,890.98 = 18,147.66 : x
  2. Step 2: Convert to fraction form
    33,255.37/45,890.98 = 18,147.66/x
  3. Step 3: Cross multiply
    33,255.37x = 45,890.98 × 18,147.66
  4. Step 4: Simplify right side
    33,255.37x = 832,813,902.11
  5. Step 5: Solve for x
    x = 832,813,902.11/33,255.37
  6. Step 6: Final answer
    x = 25,042.99

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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.