Home / 33,867.24-46,738.47-20,438.28

Finding the Fourth Proportional to 33,867.24, 46,738.47 and 20,438.28

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Solution

The fourth proportional to 33,867.24, 46,738.47 and 20,438.28 is: 28,205.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,867.24 : 46,738.47 = 20,438.28 : x
  2. Step 2: Convert to fraction form
    33,867.24/46,738.47 = 20,438.28/x
  3. Step 3: Cross multiply
    33,867.24x = 46,738.47 × 20,438.28
  4. Step 4: Simplify right side
    33,867.24x = 955,253,936.63
  5. Step 5: Solve for x
    x = 955,253,936.63/33,867.24
  6. Step 6: Final answer
    x = 28,205.84

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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.