Home / 33,616.81-46,393.86-18,512.20

Finding the Fourth Proportional to 33,616.81, 46,393.86 and 18,512.20

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Solution

The fourth proportional to 33,616.81, 46,393.86 and 18,512.20 is: 25,548.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,616.81 : 46,393.86 = 18,512.20 : x
  2. Step 2: Convert to fraction form
    33,616.81/46,393.86 = 18,512.20/x
  3. Step 3: Cross multiply
    33,616.81x = 46,393.86 × 18,512.20
  4. Step 4: Simplify right side
    33,616.81x = 858,852,415.09
  5. Step 5: Solve for x
    x = 858,852,415.09/33,616.81
  6. Step 6: Final answer
    x = 25,548.30

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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.