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Finding the Fourth Proportional to 30,006, 41,108.07 and 28,884.60

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Solution

The fourth proportional to 30,006, 41,108.07 and 28,884.60 is: 39,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,006 : 41,108.07 = 28,884.60 : x
  2. Step 2: Convert to fraction form
    30,006/41,108.07 = 28,884.60/x
  3. Step 3: Cross multiply
    30,006x = 41,108.07 × 28,884.60
  4. Step 4: Simplify right side
    30,006x = 1,187,390,158.72
  5. Step 5: Solve for x
    x = 1,187,390,158.72/30,006
  6. Step 6: Final answer
    x = 39,571.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.