Home / 30,401.93-41,954.25-16,789.68

Finding the Fourth Proportional to 30,401.93, 41,954.25 and 16,789.68

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Solution

The fourth proportional to 30,401.93, 41,954.25 and 16,789.68 is: 23,169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,401.93 : 41,954.25 = 16,789.68 : x
  2. Step 2: Convert to fraction form
    30,401.93/41,954.25 = 16,789.68/x
  3. Step 3: Cross multiply
    30,401.93x = 41,954.25 × 16,789.68
  4. Step 4: Simplify right side
    30,401.93x = 704,398,495.10
  5. Step 5: Solve for x
    x = 704,398,495.10/30,401.93
  6. Step 6: Final answer
    x = 23,169.53

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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.