Home / 32,768.82-45,219.48-20,043.32

Finding the Fourth Proportional to 32,768.82, 45,219.48 and 20,043.32

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Solution

The fourth proportional to 32,768.82, 45,219.48 and 20,043.32 is: 27,658.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,768.82 : 45,219.48 = 20,043.32 : x
  2. Step 2: Convert to fraction form
    32,768.82/45,219.48 = 20,043.32/x
  3. Step 3: Cross multiply
    32,768.82x = 45,219.48 × 20,043.32
  4. Step 4: Simplify right side
    32,768.82x = 906,348,507.87
  5. Step 5: Solve for x
    x = 906,348,507.87/32,768.82
  6. Step 6: Final answer
    x = 27,658.87

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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.