Home / 36,087.89-54,131.90-13,911.71

Finding the Fourth Proportional to 36,087.89, 54,131.90 and 13,911.71

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Solution

The fourth proportional to 36,087.89, 54,131.90 and 13,911.71 is: 20,867.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,087.89 : 54,131.90 = 13,911.71 : x
  2. Step 2: Convert to fraction form
    36,087.89/54,131.90 = 13,911.71/x
  3. Step 3: Cross multiply
    36,087.89x = 54,131.90 × 13,911.71
  4. Step 4: Simplify right side
    36,087.89x = 753,066,954.33
  5. Step 5: Solve for x
    x = 753,066,954.33/36,087.89
  6. Step 6: Final answer
    x = 20,867.58

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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.