Home / 36,530.60-54,860.70-28,230.80

Finding the Fourth Proportional to 36,530.60, 54,860.70 and 28,230.80

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Solution

The fourth proportional to 36,530.60, 54,860.70 and 28,230.80 is: 42,396.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,530.60 : 54,860.70 = 28,230.80 : x
  2. Step 2: Convert to fraction form
    36,530.60/54,860.70 = 28,230.80/x
  3. Step 3: Cross multiply
    36,530.60x = 54,860.70 × 28,230.80
  4. Step 4: Simplify right side
    36,530.60x = 1,548,761,449.56
  5. Step 5: Solve for x
    x = 1,548,761,449.56/36,530.60
  6. Step 6: Final answer
    x = 42,396.28

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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.