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Finding the Fourth Proportional to 36,765.80, 50,783.05 and 30,328.77

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Solution

The fourth proportional to 36,765.80, 50,783.05 and 30,328.77 is: 41,891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,765.80 : 50,783.05 = 30,328.77 : x
  2. Step 2: Convert to fraction form
    36,765.80/50,783.05 = 30,328.77/x
  3. Step 3: Cross multiply
    36,765.80x = 50,783.05 × 30,328.77
  4. Step 4: Simplify right side
    36,765.80x = 1,540,187,243.21
  5. Step 5: Solve for x
    x = 1,540,187,243.21/36,765.80
  6. Step 6: Final answer
    x = 41,891.84

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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.