Home / 36,291.49-50,086.28-21,187.86

Finding the Fourth Proportional to 36,291.49, 50,086.28 and 21,187.86

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Solution

The fourth proportional to 36,291.49, 50,086.28 and 21,187.86 is: 29,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,291.49 : 50,086.28 = 21,187.86 : x
  2. Step 2: Convert to fraction form
    36,291.49/50,086.28 = 21,187.86/x
  3. Step 3: Cross multiply
    36,291.49x = 50,086.28 × 21,187.86
  4. Step 4: Simplify right side
    36,291.49x = 1,061,221,088.56
  5. Step 5: Solve for x
    x = 1,061,221,088.56/36,291.49
  6. Step 6: Final answer
    x = 29,241.60

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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.