Home / 34,719.49-47,912.79-18,803.98

Finding the Fourth Proportional to 34,719.49, 47,912.79 and 18,803.98

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Solution

The fourth proportional to 34,719.49, 47,912.79 and 18,803.98 is: 25,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,719.49 : 47,912.79 = 18,803.98 : x
  2. Step 2: Convert to fraction form
    34,719.49/47,912.79 = 18,803.98/x
  3. Step 3: Cross multiply
    34,719.49x = 47,912.79 × 18,803.98
  4. Step 4: Simplify right side
    34,719.49x = 900,951,144.90
  5. Step 5: Solve for x
    x = 900,951,144.90/34,719.49
  6. Step 6: Final answer
    x = 25,949.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.