Home / 33,079.13-45,651.22-18,740.30

Finding the Fourth Proportional to 33,079.13, 45,651.22 and 18,740.30

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Solution

The fourth proportional to 33,079.13, 45,651.22 and 18,740.30 is: 25,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,079.13 : 45,651.22 = 18,740.30 : x
  2. Step 2: Convert to fraction form
    33,079.13/45,651.22 = 18,740.30/x
  3. Step 3: Cross multiply
    33,079.13x = 45,651.22 × 18,740.30
  4. Step 4: Simplify right side
    33,079.13x = 855,517,625.44
  5. Step 5: Solve for x
    x = 855,517,625.44/33,079.13
  6. Step 6: Final answer
    x = 25,862.76

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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.