Home / 33,429.78-46,135.17-18,525.78

Finding the Fourth Proportional to 33,429.78, 46,135.17 and 18,525.78

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Solution

The fourth proportional to 33,429.78, 46,135.17 and 18,525.78 is: 25,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,429.78 : 46,135.17 = 18,525.78 : x
  2. Step 2: Convert to fraction form
    33,429.78/46,135.17 = 18,525.78/x
  3. Step 3: Cross multiply
    33,429.78x = 46,135.17 × 18,525.78
  4. Step 4: Simplify right side
    33,429.78x = 854,690,009.68
  5. Step 5: Solve for x
    x = 854,690,009.68/33,429.78
  6. Step 6: Final answer
    x = 25,566.73

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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.