Home / 47,753.28-71,622.48-12,694.56

Finding the Fourth Proportional to 47,753.28, 71,622.48 and 12,694.56

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Solution

The fourth proportional to 47,753.28, 71,622.48 and 12,694.56 is: 19,039.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,753.28 : 71,622.48 = 12,694.56 : x
  2. Step 2: Convert to fraction form
    47,753.28/71,622.48 = 12,694.56/x
  3. Step 3: Cross multiply
    47,753.28x = 71,622.48 × 12,694.56
  4. Step 4: Simplify right side
    47,753.28x = 909,215,869.71
  5. Step 5: Solve for x
    x = 909,215,869.71/47,753.28
  6. Step 6: Final answer
    x = 19,039.86

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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.