Home / 30,382.59-41,930.34-16,773.30

Finding the Fourth Proportional to 30,382.59, 41,930.34 and 16,773.30

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Solution

The fourth proportional to 30,382.59, 41,930.34 and 16,773.30 is: 23,148.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.59 : 41,930.34 = 16,773.30 : x
  2. Step 2: Convert to fraction form
    30,382.59/41,930.34 = 16,773.30/x
  3. Step 3: Cross multiply
    30,382.59x = 41,930.34 × 16,773.30
  4. Step 4: Simplify right side
    30,382.59x = 703,310,171.92
  5. Step 5: Solve for x
    x = 703,310,171.92/30,382.59
  6. Step 6: Final answer
    x = 23,148.46

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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.