Home / 47,372.92-71,033.22-19,285.76

Finding the Fourth Proportional to 47,372.92, 71,033.22 and 19,285.76

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Solution

The fourth proportional to 47,372.92, 71,033.22 and 19,285.76 is: 28,917.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,372.92 : 71,033.22 = 19,285.76 : x
  2. Step 2: Convert to fraction form
    47,372.92/71,033.22 = 19,285.76/x
  3. Step 3: Cross multiply
    47,372.92x = 71,033.22 × 19,285.76
  4. Step 4: Simplify right side
    47,372.92x = 1,369,929,632.95
  5. Step 5: Solve for x
    x = 1,369,929,632.95/47,372.92
  6. Step 6: Final answer
    x = 28,917.99

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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.