Home / 36,755.25-55,157.43-13,381.71

Finding the Fourth Proportional to 36,755.25, 55,157.43 and 13,381.71

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Solution

The fourth proportional to 36,755.25, 55,157.43 and 13,381.71 is: 20,081.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,755.25 : 55,157.43 = 13,381.71 : x
  2. Step 2: Convert to fraction form
    36,755.25/55,157.43 = 13,381.71/x
  3. Step 3: Cross multiply
    36,755.25x = 55,157.43 × 13,381.71
  4. Step 4: Simplify right side
    36,755.25x = 738,100,732.61
  5. Step 5: Solve for x
    x = 738,100,732.61/36,755.25
  6. Step 6: Final answer
    x = 20,081.50

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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.