Home / 36,291.43-50,086.18-21,187.79

Finding the Fourth Proportional to 36,291.43, 50,086.18 and 21,187.79

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Solution

The fourth proportional to 36,291.43, 50,086.18 and 21,187.79 is: 29,241.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,291.43 : 50,086.18 = 21,187.79 : x
  2. Step 2: Convert to fraction form
    36,291.43/50,086.18 = 21,187.79/x
  3. Step 3: Cross multiply
    36,291.43x = 50,086.18 × 21,187.79
  4. Step 4: Simplify right side
    36,291.43x = 1,061,215,709.35
  5. Step 5: Solve for x
    x = 1,061,215,709.35/36,291.43
  6. Step 6: Final answer
    x = 29,241.50

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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.