Home / 50,784.10-76,183.24-21,195.16

Finding the Fourth Proportional to 50,784.10, 76,183.24 and 21,195.16

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Solution

The fourth proportional to 50,784.10, 76,183.24 and 21,195.16 is: 31,795.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,784.10 : 76,183.24 = 21,195.16 : x
  2. Step 2: Convert to fraction form
    50,784.10/76,183.24 = 21,195.16/x
  3. Step 3: Cross multiply
    50,784.10x = 76,183.24 × 21,195.16
  4. Step 4: Simplify right side
    50,784.10x = 1,614,715,961.12
  5. Step 5: Solve for x
    x = 1,614,715,961.12/50,784.10
  6. Step 6: Final answer
    x = 31,795.70

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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.