Home / 36,450.22-54,675.32-28,142.38

Finding the Fourth Proportional to 36,450.22, 54,675.32 and 28,142.38

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Solution

The fourth proportional to 36,450.22, 54,675.32 and 28,142.38 is: 42,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,450.22 : 54,675.32 = 28,142.38 : x
  2. Step 2: Convert to fraction form
    36,450.22/54,675.32 = 28,142.38/x
  3. Step 3: Cross multiply
    36,450.22x = 54,675.32 × 28,142.38
  4. Step 4: Simplify right side
    36,450.22x = 1,538,693,632.06
  5. Step 5: Solve for x
    x = 1,538,693,632.06/36,450.22
  6. Step 6: Final answer
    x = 42,213.56

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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.