Home / 36,867.07-55,286.53-13,170.21

Finding the Fourth Proportional to 36,867.07, 55,286.53 and 13,170.21

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Solution

The fourth proportional to 36,867.07, 55,286.53 and 13,170.21 is: 19,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,867.07 : 55,286.53 = 13,170.21 : x
  2. Step 2: Convert to fraction form
    36,867.07/55,286.53 = 13,170.21/x
  3. Step 3: Cross multiply
    36,867.07x = 55,286.53 × 13,170.21
  4. Step 4: Simplify right side
    36,867.07x = 728,135,210.27
  5. Step 5: Solve for x
    x = 728,135,210.27/36,867.07
  6. Step 6: Final answer
    x = 19,750.29

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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.