Home / 33,621.90-50,439.49-9,929.86

Finding the Fourth Proportional to 33,621.90, 50,439.49 and 9,929.86

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Solution

The fourth proportional to 33,621.90, 50,439.49 and 9,929.86 is: 14,896.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,621.90 : 50,439.49 = 9,929.86 : x
  2. Step 2: Convert to fraction form
    33,621.90/50,439.49 = 9,929.86/x
  3. Step 3: Cross multiply
    33,621.90x = 50,439.49 × 9,929.86
  4. Step 4: Simplify right side
    33,621.90x = 500,856,979.10
  5. Step 5: Solve for x
    x = 500,856,979.10/33,621.90
  6. Step 6: Final answer
    x = 14,896.75

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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.