Home / 32,782.66-45,241.20-20,845.73

Finding the Fourth Proportional to 32,782.66, 45,241.20 and 20,845.73

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Solution

The fourth proportional to 32,782.66, 45,241.20 and 20,845.73 is: 28,767.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,782.66 : 45,241.20 = 20,845.73 : x
  2. Step 2: Convert to fraction form
    32,782.66/45,241.20 = 20,845.73/x
  3. Step 3: Cross multiply
    32,782.66x = 45,241.20 × 20,845.73
  4. Step 4: Simplify right side
    32,782.66x = 943,085,953.18
  5. Step 5: Solve for x
    x = 943,085,953.18/32,782.66
  6. Step 6: Final answer
    x = 28,767.83

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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.