Home / 30,553.12-45,738.96-16,660

Finding the Fourth Proportional to 30,553.12, 45,738.96 and 16,660

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Solution

The fourth proportional to 30,553.12, 45,738.96 and 16,660 is: 24,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,553.12 : 45,738.96 = 16,660 : x
  2. Step 2: Convert to fraction form
    30,553.12/45,738.96 = 16,660/x
  3. Step 3: Cross multiply
    30,553.12x = 45,738.96 × 16,660
  4. Step 4: Simplify right side
    30,553.12x = 762,011,073.60
  5. Step 5: Solve for x
    x = 762,011,073.60/30,553.12
  6. Step 6: Final answer
    x = 24,940.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.