Home / 30,173.56-41,639.96-16,745.68

Finding the Fourth Proportional to 30,173.56, 41,639.96 and 16,745.68

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Solution

The fourth proportional to 30,173.56, 41,639.96 and 16,745.68 is: 23,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.56 : 41,639.96 = 16,745.68 : x
  2. Step 2: Convert to fraction form
    30,173.56/41,639.96 = 16,745.68/x
  3. Step 3: Cross multiply
    30,173.56x = 41,639.96 × 16,745.68
  4. Step 4: Simplify right side
    30,173.56x = 697,289,383.14
  5. Step 5: Solve for x
    x = 697,289,383.14/30,173.56
  6. Step 6: Final answer
    x = 23,109.29

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1.5x scale

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.