Home / 36,134.16-54,189.90-12,755.16

Finding the Fourth Proportional to 36,134.16, 54,189.90 and 12,755.16

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Solution

The fourth proportional to 36,134.16, 54,189.90 and 12,755.16 is: 19,128.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,134.16 : 54,189.90 = 12,755.16 : x
  2. Step 2: Convert to fraction form
    36,134.16/54,189.90 = 12,755.16/x
  3. Step 3: Cross multiply
    36,134.16x = 54,189.90 × 12,755.16
  4. Step 4: Simplify right side
    36,134.16x = 691,200,844.88
  5. Step 5: Solve for x
    x = 691,200,844.88/36,134.16
  6. Step 6: Final answer
    x = 19,128.74

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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.