Home / 33,928.88-46,815.78-20,491.10

Finding the Fourth Proportional to 33,928.88, 46,815.78 and 20,491.10

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Solution

The fourth proportional to 33,928.88, 46,815.78 and 20,491.10 is: 28,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,928.88 : 46,815.78 = 20,491.10 : x
  2. Step 2: Convert to fraction form
    33,928.88/46,815.78 = 20,491.10/x
  3. Step 3: Cross multiply
    33,928.88x = 46,815.78 × 20,491.10
  4. Step 4: Simplify right side
    33,928.88x = 959,306,829.56
  5. Step 5: Solve for x
    x = 959,306,829.56/33,928.88
  6. Step 6: Final answer
    x = 28,274.05

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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.