Home / 36,385.45-54,578.18-10,090.20

Finding the Fourth Proportional to 36,385.45, 54,578.18 and 10,090.20

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Solution

The fourth proportional to 36,385.45, 54,578.18 and 10,090.20 is: 15,135.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,385.45 : 54,578.18 = 10,090.20 : x
  2. Step 2: Convert to fraction form
    36,385.45/54,578.18 = 10,090.20/x
  3. Step 3: Cross multiply
    36,385.45x = 54,578.18 × 10,090.20
  4. Step 4: Simplify right side
    36,385.45x = 550,704,492.85
  5. Step 5: Solve for x
    x = 550,704,492.85/36,385.45
  6. Step 6: Final answer
    x = 15,135.29

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Similar ratio
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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.