Home / 33,786.15-46,637.43-20,358.15

Finding the Fourth Proportional to 33,786.15, 46,637.43 and 20,358.15

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Solution

The fourth proportional to 33,786.15, 46,637.43 and 20,358.15 is: 28,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,786.15 : 46,637.43 = 20,358.15 : x
  2. Step 2: Convert to fraction form
    33,786.15/46,637.43 = 20,358.15/x
  3. Step 3: Cross multiply
    33,786.15x = 46,637.43 × 20,358.15
  4. Step 4: Simplify right side
    33,786.15x = 949,451,795.55
  5. Step 5: Solve for x
    x = 949,451,795.55/33,786.15
  6. Step 6: Final answer
    x = 28,101.80

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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.