Home / 39,821.98-59,736.68-13,168.07

Finding the Fourth Proportional to 39,821.98, 59,736.68 and 13,168.07

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Solution

The fourth proportional to 39,821.98, 59,736.68 and 13,168.07 is: 19,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,821.98 : 59,736.68 = 13,168.07 : x
  2. Step 2: Convert to fraction form
    39,821.98/59,736.68 = 13,168.07/x
  3. Step 3: Cross multiply
    39,821.98x = 59,736.68 × 13,168.07
  4. Step 4: Simplify right side
    39,821.98x = 786,616,485.12
  5. Step 5: Solve for x
    x = 786,616,485.12/39,821.98
  6. Step 6: Final answer
    x = 19,753.33

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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.