Home / 33,685.38-46,485.19-18,579.42

Finding the Fourth Proportional to 33,685.38, 46,485.19 and 18,579.42

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Solution

The fourth proportional to 33,685.38, 46,485.19 and 18,579.42 is: 25,639.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,685.38 : 46,485.19 = 18,579.42 : x
  2. Step 2: Convert to fraction form
    33,685.38/46,485.19 = 18,579.42/x
  3. Step 3: Cross multiply
    33,685.38x = 46,485.19 × 18,579.42
  4. Step 4: Simplify right side
    33,685.38x = 863,667,868.79
  5. Step 5: Solve for x
    x = 863,667,868.79/33,685.38
  6. Step 6: Final answer
    x = 25,639.25

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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.