Home / 47,399.01-65,440.22-30,181.09

Finding the Fourth Proportional to 47,399.01, 65,440.22 and 30,181.09

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Solution

The fourth proportional to 47,399.01, 65,440.22 and 30,181.09 is: 41,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,399.01 : 65,440.22 = 30,181.09 : x
  2. Step 2: Convert to fraction form
    47,399.01/65,440.22 = 30,181.09/x
  3. Step 3: Cross multiply
    47,399.01x = 65,440.22 × 30,181.09
  4. Step 4: Simplify right side
    47,399.01x = 1,975,057,169.44
  5. Step 5: Solve for x
    x = 1,975,057,169.44/47,399.01
  6. Step 6: Final answer
    x = 41,668.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.