Home / 33,081.12-45,650.88-18,933.64

Finding the Fourth Proportional to 33,081.12, 45,650.88 and 18,933.64

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Solution

The fourth proportional to 33,081.12, 45,650.88 and 18,933.64 is: 26,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,081.12 : 45,650.88 = 18,933.64 : x
  2. Step 2: Convert to fraction form
    33,081.12/45,650.88 = 18,933.64/x
  3. Step 3: Cross multiply
    33,081.12x = 45,650.88 × 18,933.64
  4. Step 4: Simplify right side
    33,081.12x = 864,337,327.60
  5. Step 5: Solve for x
    x = 864,337,327.60/33,081.12
  6. Step 6: Final answer
    x = 26,127.81

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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.