Home / 30,173.49-41,638.19-16,745.31

Finding the Fourth Proportional to 30,173.49, 41,638.19 and 16,745.31

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Solution

The fourth proportional to 30,173.49, 41,638.19 and 16,745.31 is: 23,107.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.49 : 41,638.19 = 16,745.31 : x
  2. Step 2: Convert to fraction form
    30,173.49/41,638.19 = 16,745.31/x
  3. Step 3: Cross multiply
    30,173.49x = 41,638.19 × 16,745.31
  4. Step 4: Simplify right side
    30,173.49x = 697,244,315.66
  5. Step 5: Solve for x
    x = 697,244,315.66/30,173.49
  6. Step 6: Final answer
    x = 23,107.84

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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.