Home / 30,367.24-45,610.89-18,383.62

Finding the Fourth Proportional to 30,367.24, 45,610.89 and 18,383.62

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Solution

The fourth proportional to 30,367.24, 45,610.89 and 18,383.62 is: 27,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,367.24 : 45,610.89 = 18,383.62 : x
  2. Step 2: Convert to fraction form
    30,367.24/45,610.89 = 18,383.62/x
  3. Step 3: Cross multiply
    30,367.24x = 45,610.89 × 18,383.62
  4. Step 4: Simplify right side
    30,367.24x = 838,493,269.62
  5. Step 5: Solve for x
    x = 838,493,269.62/30,367.24
  6. Step 6: Final answer
    x = 27,611.77

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1.5x scale

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.