Home / 36,242.09-54,378.78-19,613.85

Finding the Fourth Proportional to 36,242.09, 54,378.78 and 19,613.85

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Solution

The fourth proportional to 36,242.09, 54,378.78 and 19,613.85 is: 29,429.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,242.09 : 54,378.78 = 19,613.85 : x
  2. Step 2: Convert to fraction form
    36,242.09/54,378.78 = 19,613.85/x
  3. Step 3: Cross multiply
    36,242.09x = 54,378.78 × 19,613.85
  4. Step 4: Simplify right side
    36,242.09x = 1,066,577,234.10
  5. Step 5: Solve for x
    x = 1,066,577,234.10/36,242.09
  6. Step 6: Final answer
    x = 29,429.25

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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.