Home / 30,199.88-41,676.38-16,772.37

Finding the Fourth Proportional to 30,199.88, 41,676.38 and 16,772.37

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Solution

The fourth proportional to 30,199.88, 41,676.38 and 16,772.37 is: 23,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.88 : 41,676.38 = 16,772.37 : x
  2. Step 2: Convert to fraction form
    30,199.88/41,676.38 = 16,772.37/x
  3. Step 3: Cross multiply
    30,199.88x = 41,676.38 × 16,772.37
  4. Step 4: Simplify right side
    30,199.88x = 699,011,581.76
  5. Step 5: Solve for x
    x = 699,011,581.76/30,199.88
  6. Step 6: Final answer
    x = 23,146.17

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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.