Home / 30,311.26-41,830.83-16,882.51

Finding the Fourth Proportional to 30,311.26, 41,830.83 and 16,882.51

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Solution

The fourth proportional to 30,311.26, 41,830.83 and 16,882.51 is: 23,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.26 : 41,830.83 = 16,882.51 : x
  2. Step 2: Convert to fraction form
    30,311.26/41,830.83 = 16,882.51/x
  3. Step 3: Cross multiply
    30,311.26x = 41,830.83 × 16,882.51
  4. Step 4: Simplify right side
    30,311.26x = 706,209,405.78
  5. Step 5: Solve for x
    x = 706,209,405.78/30,311.26
  6. Step 6: Final answer
    x = 23,298.58

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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.