Home / 33,082.16-45,634.20-21,753.68

Finding the Fourth Proportional to 33,082.16, 45,634.20 and 21,753.68

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Solution

The fourth proportional to 33,082.16, 45,634.20 and 21,753.68 is: 30,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,082.16 : 45,634.20 = 21,753.68 : x
  2. Step 2: Convert to fraction form
    33,082.16/45,634.20 = 21,753.68/x
  3. Step 3: Cross multiply
    33,082.16x = 45,634.20 × 21,753.68
  4. Step 4: Simplify right side
    33,082.16x = 992,711,783.86
  5. Step 5: Solve for x
    x = 992,711,783.86/33,082.16
  6. Step 6: Final answer
    x = 30,007.47

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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.