Home / 30,353.20-41,882.07-16,923.40

Finding the Fourth Proportional to 30,353.20, 41,882.07 and 16,923.40

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Solution

The fourth proportional to 30,353.20, 41,882.07 and 16,923.40 is: 23,351.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353.20 : 41,882.07 = 16,923.40 : x
  2. Step 2: Convert to fraction form
    30,353.20/41,882.07 = 16,923.40/x
  3. Step 3: Cross multiply
    30,353.20x = 41,882.07 × 16,923.40
  4. Step 4: Simplify right side
    30,353.20x = 708,787,023.44
  5. Step 5: Solve for x
    x = 708,787,023.44/30,353.20
  6. Step 6: Final answer
    x = 23,351.31

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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.