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Finding the Fourth Proportional to 50,672.28, 69,932.05 and 29,450.17

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Solution

The fourth proportional to 50,672.28, 69,932.05 and 29,450.17 is: 40,643.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,672.28 : 69,932.05 = 29,450.17 : x
  2. Step 2: Convert to fraction form
    50,672.28/69,932.05 = 29,450.17/x
  3. Step 3: Cross multiply
    50,672.28x = 69,932.05 × 29,450.17
  4. Step 4: Simplify right side
    50,672.28x = 2,059,510,760.95
  5. Step 5: Solve for x
    x = 2,059,510,760.95/50,672.28
  6. Step 6: Final answer
    x = 40,643.74

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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.