Home / 33,487.05-46,212.51-18,380.70

Finding the Fourth Proportional to 33,487.05, 46,212.51 and 18,380.70

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Solution

The fourth proportional to 33,487.05, 46,212.51 and 18,380.70 is: 25,365.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,487.05 : 46,212.51 = 18,380.70 : x
  2. Step 2: Convert to fraction form
    33,487.05/46,212.51 = 18,380.70/x
  3. Step 3: Cross multiply
    33,487.05x = 46,212.51 × 18,380.70
  4. Step 4: Simplify right side
    33,487.05x = 849,418,282.56
  5. Step 5: Solve for x
    x = 849,418,282.56/33,487.05
  6. Step 6: Final answer
    x = 25,365.58

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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.