Home / 33,872.45-46,739.30-18,761.36

Finding the Fourth Proportional to 33,872.45, 46,739.30 and 18,761.36

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Solution

The fourth proportional to 33,872.45, 46,739.30 and 18,761.36 is: 25,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,872.45 : 46,739.30 = 18,761.36 : x
  2. Step 2: Convert to fraction form
    33,872.45/46,739.30 = 18,761.36/x
  3. Step 3: Cross multiply
    33,872.45x = 46,739.30 × 18,761.36
  4. Step 4: Simplify right side
    33,872.45x = 876,892,505.94
  5. Step 5: Solve for x
    x = 876,892,505.94/33,872.45
  6. Step 6: Final answer
    x = 25,888.08

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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.