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Finding the Fourth Proportional to 34,082.88, 47,022.21 and 19,734.88

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Solution

The fourth proportional to 34,082.88, 47,022.21 and 19,734.88 is: 27,227.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,082.88 : 47,022.21 = 19,734.88 : x
  2. Step 2: Convert to fraction form
    34,082.88/47,022.21 = 19,734.88/x
  3. Step 3: Cross multiply
    34,082.88x = 47,022.21 × 19,734.88
  4. Step 4: Simplify right side
    34,082.88x = 927,977,719.04
  5. Step 5: Solve for x
    x = 927,977,719.04/34,082.88
  6. Step 6: Final answer
    x = 27,227.09

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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.