Home / 30,163.85-45,278.87-23,963.70

Finding the Fourth Proportional to 30,163.85, 45,278.87 and 23,963.70

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Solution

The fourth proportional to 30,163.85, 45,278.87 and 23,963.70 is: 35,971.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,163.85 : 45,278.87 = 23,963.70 : x
  2. Step 2: Convert to fraction form
    30,163.85/45,278.87 = 23,963.70/x
  3. Step 3: Cross multiply
    30,163.85x = 45,278.87 × 23,963.70
  4. Step 4: Simplify right side
    30,163.85x = 1,085,049,137.20
  5. Step 5: Solve for x
    x = 1,085,049,137.20/30,163.85
  6. Step 6: Final answer
    x = 35,971.84

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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.