Home / 30,382.84-41,930.68-16,773.55

Finding the Fourth Proportional to 30,382.84, 41,930.68 and 16,773.55

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Solution

The fourth proportional to 30,382.84, 41,930.68 and 16,773.55 is: 23,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.84 : 41,930.68 = 16,773.55 : x
  2. Step 2: Convert to fraction form
    30,382.84/41,930.68 = 16,773.55/x
  3. Step 3: Cross multiply
    30,382.84x = 41,930.68 × 16,773.55
  4. Step 4: Simplify right side
    30,382.84x = 703,326,357.51
  5. Step 5: Solve for x
    x = 703,326,357.51/30,382.84
  6. Step 6: Final answer
    x = 23,148.80

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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.