Home / 33,179.52-45,787.72-20,604.24

Finding the Fourth Proportional to 33,179.52, 45,787.72 and 20,604.24

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Solution

The fourth proportional to 33,179.52, 45,787.72 and 20,604.24 is: 28,433.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,179.52 : 45,787.72 = 20,604.24 : x
  2. Step 2: Convert to fraction form
    33,179.52/45,787.72 = 20,604.24/x
  3. Step 3: Cross multiply
    33,179.52x = 45,787.72 × 20,604.24
  4. Step 4: Simplify right side
    33,179.52x = 943,421,171.93
  5. Step 5: Solve for x
    x = 943,421,171.93/33,179.52
  6. Step 6: Final answer
    x = 28,433.84

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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.