Home / 33,133.80-45,709.60-19,697.44

Finding the Fourth Proportional to 33,133.80, 45,709.60 and 19,697.44

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Solution

The fourth proportional to 33,133.80, 45,709.60 and 19,697.44 is: 27,173.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,133.80 : 45,709.60 = 19,697.44 : x
  2. Step 2: Convert to fraction form
    33,133.80/45,709.60 = 19,697.44/x
  3. Step 3: Cross multiply
    33,133.80x = 45,709.60 × 19,697.44
  4. Step 4: Simplify right side
    33,133.80x = 900,362,103.42
  5. Step 5: Solve for x
    x = 900,362,103.42/33,133.80
  6. Step 6: Final answer
    x = 27,173.52

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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.