Home / 36,093.42-54,138.90-12,719.26

Finding the Fourth Proportional to 36,093.42, 54,138.90 and 12,719.26

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Solution

The fourth proportional to 36,093.42, 54,138.90 and 12,719.26 is: 19,078.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,093.42 : 54,138.90 = 12,719.26 : x
  2. Step 2: Convert to fraction form
    36,093.42/54,138.90 = 12,719.26/x
  3. Step 3: Cross multiply
    36,093.42x = 54,138.90 × 12,719.26
  4. Step 4: Simplify right side
    36,093.42x = 688,606,745.21
  5. Step 5: Solve for x
    x = 688,606,745.21/36,093.42
  6. Step 6: Final answer
    x = 19,078.46

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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.