Home / 30,174.24-41,639.72-16,745.30

Finding the Fourth Proportional to 30,174.24, 41,639.72 and 16,745.30

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Solution

The fourth proportional to 30,174.24, 41,639.72 and 16,745.30 is: 23,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,174.24 : 41,639.72 = 16,745.30 : x
  2. Step 2: Convert to fraction form
    30,174.24/41,639.72 = 16,745.30/x
  3. Step 3: Cross multiply
    30,174.24x = 41,639.72 × 16,745.30
  4. Step 4: Simplify right side
    30,174.24x = 697,269,311.39
  5. Step 5: Solve for x
    x = 697,269,311.39/30,174.24
  6. Step 6: Final answer
    x = 23,108.10

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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.