Home / 33,685.85-46,486.84-18,579.15

Finding the Fourth Proportional to 33,685.85, 46,486.84 and 18,579.15

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Solution

The fourth proportional to 33,685.85, 46,486.84 and 18,579.15 is: 25,639.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,685.85 : 46,486.84 = 18,579.15 : x
  2. Step 2: Convert to fraction form
    33,685.85/46,486.84 = 18,579.15/x
  3. Step 3: Cross multiply
    33,685.85x = 46,486.84 × 18,579.15
  4. Step 4: Simplify right side
    33,685.85x = 863,685,973.39
  5. Step 5: Solve for x
    x = 863,685,973.39/33,685.85
  6. Step 6: Final answer
    x = 25,639.43

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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.