Home / 33,107.24-45,692.16-20,533.88

Finding the Fourth Proportional to 33,107.24, 45,692.16 and 20,533.88

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Solution

The fourth proportional to 33,107.24, 45,692.16 and 20,533.88 is: 28,339.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,107.24 : 45,692.16 = 20,533.88 : x
  2. Step 2: Convert to fraction form
    33,107.24/45,692.16 = 20,533.88/x
  3. Step 3: Cross multiply
    33,107.24x = 45,692.16 × 20,533.88
  4. Step 4: Simplify right side
    33,107.24x = 938,237,330.38
  5. Step 5: Solve for x
    x = 938,237,330.38/33,107.24
  6. Step 6: Final answer
    x = 28,339.34

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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.