Home / 49,286.70-73,889.55-21,228.30

Finding the Fourth Proportional to 49,286.70, 73,889.55 and 21,228.30

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Solution

The fourth proportional to 49,286.70, 73,889.55 and 21,228.30 is: 31,825.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,286.70 : 73,889.55 = 21,228.30 : x
  2. Step 2: Convert to fraction form
    49,286.70/73,889.55 = 21,228.30/x
  3. Step 3: Cross multiply
    49,286.70x = 73,889.55 × 21,228.30
  4. Step 4: Simplify right side
    49,286.70x = 1,568,549,534.27
  5. Step 5: Solve for x
    x = 1,568,549,534.27/49,286.70
  6. Step 6: Final answer
    x = 31,825.01

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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.