Home / 30,173.56-41,638.87-16,744.70

Finding the Fourth Proportional to 30,173.56, 41,638.87 and 16,744.70

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Solution

The fourth proportional to 30,173.56, 41,638.87 and 16,744.70 is: 23,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.56 : 41,638.87 = 16,744.70 : x
  2. Step 2: Convert to fraction form
    30,173.56/41,638.87 = 16,744.70/x
  3. Step 3: Cross multiply
    30,173.56x = 41,638.87 × 16,744.70
  4. Step 4: Simplify right side
    30,173.56x = 697,230,386.49
  5. Step 5: Solve for x
    x = 697,230,386.49/30,173.56
  6. Step 6: Final answer
    x = 23,107.33

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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.