Home / 47,617.92-71,429.76-19,906.56

Finding the Fourth Proportional to 47,617.92, 71,429.76 and 19,906.56

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Solution

The fourth proportional to 47,617.92, 71,429.76 and 19,906.56 is: 29,861.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,617.92 : 71,429.76 = 19,906.56 : x
  2. Step 2: Convert to fraction form
    47,617.92/71,429.76 = 19,906.56/x
  3. Step 3: Cross multiply
    47,617.92x = 71,429.76 × 19,906.56
  4. Step 4: Simplify right side
    47,617.92x = 1,421,920,803.23
  5. Step 5: Solve for x
    x = 1,421,920,803.23/47,617.92
  6. Step 6: Final answer
    x = 29,861.04

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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.