Home / 32,996.89-45,525.20-20,236.96

Finding the Fourth Proportional to 32,996.89, 45,525.20 and 20,236.96

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Solution

The fourth proportional to 32,996.89, 45,525.20 and 20,236.96 is: 27,920.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,996.89 : 45,525.20 = 20,236.96 : x
  2. Step 2: Convert to fraction form
    32,996.89/45,525.20 = 20,236.96/x
  3. Step 3: Cross multiply
    32,996.89x = 45,525.20 × 20,236.96
  4. Step 4: Simplify right side
    32,996.89x = 921,291,651.39
  5. Step 5: Solve for x
    x = 921,291,651.39/32,996.89
  6. Step 6: Final answer
    x = 27,920.56

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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.