Home / 43,653.96-65,519.82-20,293.56

Finding the Fourth Proportional to 43,653.96, 65,519.82 and 20,293.56

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Solution

The fourth proportional to 43,653.96, 65,519.82 and 20,293.56 is: 30,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,653.96 : 65,519.82 = 20,293.56 : x
  2. Step 2: Convert to fraction form
    43,653.96/65,519.82 = 20,293.56/x
  3. Step 3: Cross multiply
    43,653.96x = 65,519.82 × 20,293.56
  4. Step 4: Simplify right side
    43,653.96x = 1,329,630,398.36
  5. Step 5: Solve for x
    x = 1,329,630,398.36/43,653.96
  6. Step 6: Final answer
    x = 30,458.41

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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.