Home / 36,072.88-49,780.42-20,157.33

Finding the Fourth Proportional to 36,072.88, 49,780.42 and 20,157.33

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Solution

The fourth proportional to 36,072.88, 49,780.42 and 20,157.33 is: 27,817.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.88 : 49,780.42 = 20,157.33 : x
  2. Step 2: Convert to fraction form
    36,072.88/49,780.42 = 20,157.33/x
  3. Step 3: Cross multiply
    36,072.88x = 49,780.42 × 20,157.33
  4. Step 4: Simplify right side
    36,072.88x = 1,003,440,003.79
  5. Step 5: Solve for x
    x = 1,003,440,003.79/36,072.88
  6. Step 6: Final answer
    x = 27,817.02

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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.