Home / 36,405.21-54,620.96-12,716.25

Finding the Fourth Proportional to 36,405.21, 54,620.96 and 12,716.25

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Solution

The fourth proportional to 36,405.21, 54,620.96 and 12,716.25 is: 19,078.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,405.21 : 54,620.96 = 12,716.25 : x
  2. Step 2: Convert to fraction form
    36,405.21/54,620.96 = 12,716.25/x
  3. Step 3: Cross multiply
    36,405.21x = 54,620.96 × 12,716.25
  4. Step 4: Simplify right side
    36,405.21x = 694,573,782.60
  5. Step 5: Solve for x
    x = 694,573,782.60/36,405.21
  6. Step 6: Final answer
    x = 19,078.97

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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.