Home / 36,170.10-54,190.35-30,986.10

Finding the Fourth Proportional to 36,170.10, 54,190.35 and 30,986.10

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Solution

The fourth proportional to 36,170.10, 54,190.35 and 30,986.10 is: 46,423.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,170.10 : 54,190.35 = 30,986.10 : x
  2. Step 2: Convert to fraction form
    36,170.10/54,190.35 = 30,986.10/x
  3. Step 3: Cross multiply
    36,170.10x = 54,190.35 × 30,986.10
  4. Step 4: Simplify right side
    36,170.10x = 1,679,147,604.14
  5. Step 5: Solve for x
    x = 1,679,147,604.14/36,170.10
  6. Step 6: Final answer
    x = 46,423.64

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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.