Home / 30,213.37-41,689.83-16,783.39

Finding the Fourth Proportional to 30,213.37, 41,689.83 and 16,783.39

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Solution

The fourth proportional to 30,213.37, 41,689.83 and 16,783.39 is: 23,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213.37 : 41,689.83 = 16,783.39 : x
  2. Step 2: Convert to fraction form
    30,213.37/41,689.83 = 16,783.39/x
  3. Step 3: Cross multiply
    30,213.37x = 41,689.83 × 16,783.39
  4. Step 4: Simplify right side
    30,213.37x = 699,696,675.92
  5. Step 5: Solve for x
    x = 699,696,675.92/30,213.37
  6. Step 6: Final answer
    x = 23,158.51

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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.