Home / 33,082.76-45,636.23-20,331.34

Finding the Fourth Proportional to 33,082.76, 45,636.23 and 20,331.34

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Solution

The fourth proportional to 33,082.76, 45,636.23 and 20,331.34 is: 28,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,082.76 : 45,636.23 = 20,331.34 : x
  2. Step 2: Convert to fraction form
    33,082.76/45,636.23 = 20,331.34/x
  3. Step 3: Cross multiply
    33,082.76x = 45,636.23 × 20,331.34
  4. Step 4: Simplify right side
    33,082.76x = 927,845,708.45
  5. Step 5: Solve for x
    x = 927,845,708.45/33,082.76
  6. Step 6: Final answer
    x = 28,046.20

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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.