Home / 32,770.05-45,221.03-20,020.76

Finding the Fourth Proportional to 32,770.05, 45,221.03 and 20,020.76

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Solution

The fourth proportional to 32,770.05, 45,221.03 and 20,020.76 is: 27,627.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,770.05 : 45,221.03 = 20,020.76 : x
  2. Step 2: Convert to fraction form
    32,770.05/45,221.03 = 20,020.76/x
  3. Step 3: Cross multiply
    32,770.05x = 45,221.03 × 20,020.76
  4. Step 4: Simplify right side
    32,770.05x = 905,359,062.37
  5. Step 5: Solve for x
    x = 905,359,062.37/32,770.05
  6. Step 6: Final answer
    x = 27,627.64

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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.