Home / 33,082.26-45,635.54-20,330.84

Finding the Fourth Proportional to 33,082.26, 45,635.54 and 20,330.84

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Solution

The fourth proportional to 33,082.26, 45,635.54 and 20,330.84 is: 28,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,082.26 : 45,635.54 = 20,330.84 : x
  2. Step 2: Convert to fraction form
    33,082.26/45,635.54 = 20,330.84/x
  3. Step 3: Cross multiply
    33,082.26x = 45,635.54 × 20,330.84
  4. Step 4: Simplify right side
    33,082.26x = 927,808,862.05
  5. Step 5: Solve for x
    x = 927,808,862.05/33,082.26
  6. Step 6: Final answer
    x = 28,045.51

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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.