Home / 36,815.52-50,805.42-20,462.72

Finding the Fourth Proportional to 36,815.52, 50,805.42 and 20,462.72

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Solution

The fourth proportional to 36,815.52, 50,805.42 and 20,462.72 is: 28,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,815.52 : 50,805.42 = 20,462.72 : x
  2. Step 2: Convert to fraction form
    36,815.52/50,805.42 = 20,462.72/x
  3. Step 3: Cross multiply
    36,815.52x = 50,805.42 × 20,462.72
  4. Step 4: Simplify right side
    36,815.52x = 1,039,617,181.85
  5. Step 5: Solve for x
    x = 1,039,617,181.85/36,815.52
  6. Step 6: Final answer
    x = 28,238.56

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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.