Home / 30,174.98-41,639.70-16,745.26

Finding the Fourth Proportional to 30,174.98, 41,639.70 and 16,745.26

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Solution

The fourth proportional to 30,174.98, 41,639.70 and 16,745.26 is: 23,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,174.98 : 41,639.70 = 16,745.26 : x
  2. Step 2: Convert to fraction form
    30,174.98/41,639.70 = 16,745.26/x
  3. Step 3: Cross multiply
    30,174.98x = 41,639.70 × 16,745.26
  4. Step 4: Simplify right side
    30,174.98x = 697,267,602.82
  5. Step 5: Solve for x
    x = 697,267,602.82/30,174.98
  6. Step 6: Final answer
    x = 23,107.48

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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.