Home / 47,942.89-71,914.92-18,362.50

Finding the Fourth Proportional to 47,942.89, 71,914.92 and 18,362.50

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Solution

The fourth proportional to 47,942.89, 71,914.92 and 18,362.50 is: 27,543.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942.89 : 71,914.92 = 18,362.50 : x
  2. Step 2: Convert to fraction form
    47,942.89/71,914.92 = 18,362.50/x
  3. Step 3: Cross multiply
    47,942.89x = 71,914.92 × 18,362.50
  4. Step 4: Simplify right side
    47,942.89x = 1,320,537,718.50
  5. Step 5: Solve for x
    x = 1,320,537,718.50/47,942.89
  6. Step 6: Final answer
    x = 27,543.97

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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.