Home / 33,145.89-45,742.30-18,039.54

Finding the Fourth Proportional to 33,145.89, 45,742.30 and 18,039.54

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Solution

The fourth proportional to 33,145.89, 45,742.30 and 18,039.54 is: 24,895.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,145.89 : 45,742.30 = 18,039.54 : x
  2. Step 2: Convert to fraction form
    33,145.89/45,742.30 = 18,039.54/x
  3. Step 3: Cross multiply
    33,145.89x = 45,742.30 × 18,039.54
  4. Step 4: Simplify right side
    33,145.89x = 825,169,821.83
  5. Step 5: Solve for x
    x = 825,169,821.83/33,145.89
  6. Step 6: Final answer
    x = 24,895.09

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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.