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Finding the Fourth Proportional to 36,092.60, 54,074.10 and 30,908.60

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Solution

The fourth proportional to 36,092.60, 54,074.10 and 30,908.60 is: 46,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,092.60 : 54,074.10 = 30,908.60 : x
  2. Step 2: Convert to fraction form
    36,092.60/54,074.10 = 30,908.60/x
  3. Step 3: Cross multiply
    36,092.60x = 54,074.10 × 30,908.60
  4. Step 4: Simplify right side
    36,092.60x = 1,671,354,727.26
  5. Step 5: Solve for x
    x = 1,671,354,727.26/36,092.60
  6. Step 6: Final answer
    x = 46,307.41

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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.