Home / 33,745.78-46,568.95-18,639.42

Finding the Fourth Proportional to 33,745.78, 46,568.95 and 18,639.42

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Solution

The fourth proportional to 33,745.78, 46,568.95 and 18,639.42 is: 25,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,745.78 : 46,568.95 = 18,639.42 : x
  2. Step 2: Convert to fraction form
    33,745.78/46,568.95 = 18,639.42/x
  3. Step 3: Cross multiply
    33,745.78x = 46,568.95 × 18,639.42
  4. Step 4: Simplify right side
    33,745.78x = 868,018,218.01
  5. Step 5: Solve for x
    x = 868,018,218.01/33,745.78
  6. Step 6: Final answer
    x = 25,722.27

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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.