Home / 39,321.80-58,896.30-34,137.80

Finding the Fourth Proportional to 39,321.80, 58,896.30 and 34,137.80

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Solution

The fourth proportional to 39,321.80, 58,896.30 and 34,137.80 is: 51,131.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,321.80 : 58,896.30 = 34,137.80 : x
  2. Step 2: Convert to fraction form
    39,321.80/58,896.30 = 34,137.80/x
  3. Step 3: Cross multiply
    39,321.80x = 58,896.30 × 34,137.80
  4. Step 4: Simplify right side
    39,321.80x = 2,010,590,110.14
  5. Step 5: Solve for x
    x = 2,010,590,110.14/39,321.80
  6. Step 6: Final answer
    x = 51,131.69

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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.