Home / 36,090.92-54,135.12-12,716.84

Finding the Fourth Proportional to 36,090.92, 54,135.12 and 12,716.84

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Solution

The fourth proportional to 36,090.92, 54,135.12 and 12,716.84 is: 19,074.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,090.92 : 54,135.12 = 12,716.84 : x
  2. Step 2: Convert to fraction form
    36,090.92/54,135.12 = 12,716.84/x
  3. Step 3: Cross multiply
    36,090.92x = 54,135.12 × 12,716.84
  4. Step 4: Simplify right side
    36,090.92x = 688,427,659.42
  5. Step 5: Solve for x
    x = 688,427,659.42/36,090.92
  6. Step 6: Final answer
    x = 19,074.82

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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.