Home / 47,819.28-71,728.29-21,505.44

Finding the Fourth Proportional to 47,819.28, 71,728.29 and 21,505.44

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Solution

The fourth proportional to 47,819.28, 71,728.29 and 21,505.44 is: 32,257.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,819.28 : 71,728.29 = 21,505.44 : x
  2. Step 2: Convert to fraction form
    47,819.28/71,728.29 = 21,505.44/x
  3. Step 3: Cross multiply
    47,819.28x = 71,728.29 × 21,505.44
  4. Step 4: Simplify right side
    47,819.28x = 1,542,548,436.90
  5. Step 5: Solve for x
    x = 1,542,548,436.90/47,819.28
  6. Step 6: Final answer
    x = 32,257.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.