Home / 36,518.20-54,777.30-18,086.20

Finding the Fourth Proportional to 36,518.20, 54,777.30 and 18,086.20

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Solution

The fourth proportional to 36,518.20, 54,777.30 and 18,086.20 is: 27,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,518.20 : 54,777.30 = 18,086.20 : x
  2. Step 2: Convert to fraction form
    36,518.20/54,777.30 = 18,086.20/x
  3. Step 3: Cross multiply
    36,518.20x = 54,777.30 × 18,086.20
  4. Step 4: Simplify right side
    36,518.20x = 990,713,203.26
  5. Step 5: Solve for x
    x = 990,713,203.26/36,518.20
  6. Step 6: Final answer
    x = 27,129.30

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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.