Home / 36,201.26-54,288.56-12,502.78

Finding the Fourth Proportional to 36,201.26, 54,288.56 and 12,502.78

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Solution

The fourth proportional to 36,201.26, 54,288.56 and 12,502.78 is: 18,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,201.26 : 54,288.56 = 12,502.78 : x
  2. Step 2: Convert to fraction form
    36,201.26/54,288.56 = 12,502.78/x
  3. Step 3: Cross multiply
    36,201.26x = 54,288.56 × 12,502.78
  4. Step 4: Simplify right side
    36,201.26x = 678,757,922.20
  5. Step 5: Solve for x
    x = 678,757,922.20/36,201.26
  6. Step 6: Final answer
    x = 18,749.57

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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.