Home / 36,327.13-50,129.84-21,221.19

Finding the Fourth Proportional to 36,327.13, 50,129.84 and 21,221.19

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Solution

The fourth proportional to 36,327.13, 50,129.84 and 21,221.19 is: 29,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,327.13 : 50,129.84 = 21,221.19 : x
  2. Step 2: Convert to fraction form
    36,327.13/50,129.84 = 21,221.19/x
  3. Step 3: Cross multiply
    36,327.13x = 50,129.84 × 21,221.19
  4. Step 4: Simplify right side
    36,327.13x = 1,063,814,792.99
  5. Step 5: Solve for x
    x = 1,063,814,792.99/36,327.13
  6. Step 6: Final answer
    x = 29,284.30

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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.