Home / 33,616.96-46,389.60-18,712

Finding the Fourth Proportional to 33,616.96, 46,389.60 and 18,712

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Solution

The fourth proportional to 33,616.96, 46,389.60 and 18,712 is: 25,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,616.96 : 46,389.60 = 18,712 : x
  2. Step 2: Convert to fraction form
    33,616.96/46,389.60 = 18,712/x
  3. Step 3: Cross multiply
    33,616.96x = 46,389.60 × 18,712
  4. Step 4: Simplify right side
    33,616.96x = 868,042,195.20
  5. Step 5: Solve for x
    x = 868,042,195.20/33,616.96
  6. Step 6: Final answer
    x = 25,821.56

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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.