Home / 37,889.10-52,286.85-21,982.86

Finding the Fourth Proportional to 37,889.10, 52,286.85 and 21,982.86

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Solution

The fourth proportional to 37,889.10, 52,286.85 and 21,982.86 is: 30,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,889.10 : 52,286.85 = 21,982.86 : x
  2. Step 2: Convert to fraction form
    37,889.10/52,286.85 = 21,982.86/x
  3. Step 3: Cross multiply
    37,889.10x = 52,286.85 × 21,982.86
  4. Step 4: Simplify right side
    37,889.10x = 1,149,414,503.39
  5. Step 5: Solve for x
    x = 1,149,414,503.39/37,889.10
  6. Step 6: Final answer
    x = 30,336.28

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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.