Home / 36,087.75-49,801.10-20,171.86

Finding the Fourth Proportional to 36,087.75, 49,801.10 and 20,171.86

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Solution

The fourth proportional to 36,087.75, 49,801.10 and 20,171.86 is: 27,837.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,087.75 : 49,801.10 = 20,171.86 : x
  2. Step 2: Convert to fraction form
    36,087.75/49,801.10 = 20,171.86/x
  3. Step 3: Cross multiply
    36,087.75x = 49,801.10 × 20,171.86
  4. Step 4: Simplify right side
    36,087.75x = 1,004,580,591.68
  5. Step 5: Solve for x
    x = 1,004,580,591.68/36,087.75
  6. Step 6: Final answer
    x = 27,837.16

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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.