Home / 33,621.36-46,396.44-18,513.78

Finding the Fourth Proportional to 33,621.36, 46,396.44 and 18,513.78

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Solution

The fourth proportional to 33,621.36, 46,396.44 and 18,513.78 is: 25,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,621.36 : 46,396.44 = 18,513.78 : x
  2. Step 2: Convert to fraction form
    33,621.36/46,396.44 = 18,513.78/x
  3. Step 3: Cross multiply
    33,621.36x = 46,396.44 × 18,513.78
  4. Step 4: Simplify right side
    33,621.36x = 858,973,482.94
  5. Step 5: Solve for x
    x = 858,973,482.94/33,621.36
  6. Step 6: Final answer
    x = 25,548.45

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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.