Home / 43,899.09-65,850.26-20,519.25

Finding the Fourth Proportional to 43,899.09, 65,850.26 and 20,519.25

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Solution

The fourth proportional to 43,899.09, 65,850.26 and 20,519.25 is: 30,779.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,899.09 : 65,850.26 = 20,519.25 : x
  2. Step 2: Convert to fraction form
    43,899.09/65,850.26 = 20,519.25/x
  3. Step 3: Cross multiply
    43,899.09x = 65,850.26 × 20,519.25
  4. Step 4: Simplify right side
    43,899.09x = 1,351,197,844.91
  5. Step 5: Solve for x
    x = 1,351,197,844.91/43,899.09
  6. Step 6: Final answer
    x = 30,779.63

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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.