Home / 30,200.40-41,676.93-16,772.49

Finding the Fourth Proportional to 30,200.40, 41,676.93 and 16,772.49

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Solution

The fourth proportional to 30,200.40, 41,676.93 and 16,772.49 is: 23,146.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.40 : 41,676.93 = 16,772.49 : x
  2. Step 2: Convert to fraction form
    30,200.40/41,676.93 = 16,772.49/x
  3. Step 3: Cross multiply
    30,200.40x = 41,676.93 × 16,772.49
  4. Step 4: Simplify right side
    30,200.40x = 699,025,891.66
  5. Step 5: Solve for x
    x = 699,025,891.66/30,200.40
  6. Step 6: Final answer
    x = 23,146.25

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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.