Home / 39,974.98-59,896.84-13,665.37

Finding the Fourth Proportional to 39,974.98, 59,896.84 and 13,665.37

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Solution

The fourth proportional to 39,974.98, 59,896.84 and 13,665.37 is: 20,475.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,974.98 : 59,896.84 = 13,665.37 : x
  2. Step 2: Convert to fraction form
    39,974.98/59,896.84 = 13,665.37/x
  3. Step 3: Cross multiply
    39,974.98x = 59,896.84 × 13,665.37
  4. Step 4: Simplify right side
    39,974.98x = 818,512,480.43
  5. Step 5: Solve for x
    x = 818,512,480.43/39,974.98
  6. Step 6: Final answer
    x = 20,475.62

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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.