Home / 45,153.55-62,342.34-28,183.64

Finding the Fourth Proportional to 45,153.55, 62,342.34 and 28,183.64

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Solution

The fourth proportional to 45,153.55, 62,342.34 and 28,183.64 is: 38,912.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,153.55 : 62,342.34 = 28,183.64 : x
  2. Step 2: Convert to fraction form
    45,153.55/62,342.34 = 28,183.64/x
  3. Step 3: Cross multiply
    45,153.55x = 62,342.34 × 28,183.64
  4. Step 4: Simplify right side
    45,153.55x = 1,757,034,067.32
  5. Step 5: Solve for x
    x = 1,757,034,067.32/45,153.55
  6. Step 6: Final answer
    x = 38,912.43

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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.