Home / 37,906.92-52,321.14-21,989.34

Finding the Fourth Proportional to 37,906.92, 52,321.14 and 21,989.34

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Solution

The fourth proportional to 37,906.92, 52,321.14 and 21,989.34 is: 30,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,906.92 : 52,321.14 = 21,989.34 : x
  2. Step 2: Convert to fraction form
    37,906.92/52,321.14 = 21,989.34/x
  3. Step 3: Cross multiply
    37,906.92x = 52,321.14 × 21,989.34
  4. Step 4: Simplify right side
    37,906.92x = 1,150,507,336.65
  5. Step 5: Solve for x
    x = 1,150,507,336.65/37,906.92
  6. Step 6: Final answer
    x = 30,350.85

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Double scale
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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.