Home / 39,306.75-58,940.07-13,002

Finding the Fourth Proportional to 39,306.75, 58,940.07 and 13,002

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Solution

The fourth proportional to 39,306.75, 58,940.07 and 13,002 is: 19,496.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,306.75 : 58,940.07 = 13,002 : x
  2. Step 2: Convert to fraction form
    39,306.75/58,940.07 = 13,002/x
  3. Step 3: Cross multiply
    39,306.75x = 58,940.07 × 13,002
  4. Step 4: Simplify right side
    39,306.75x = 766,338,790.14
  5. Step 5: Solve for x
    x = 766,338,790.14/39,306.75
  6. Step 6: Final answer
    x = 19,496.37

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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.