Home / 36,121.20-54,181.80-29,900.40

Finding the Fourth Proportional to 36,121.20, 54,181.80 and 29,900.40

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Solution

The fourth proportional to 36,121.20, 54,181.80 and 29,900.40 is: 44,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121.20 : 54,181.80 = 29,900.40 : x
  2. Step 2: Convert to fraction form
    36,121.20/54,181.80 = 29,900.40/x
  3. Step 3: Cross multiply
    36,121.20x = 54,181.80 × 29,900.40
  4. Step 4: Simplify right side
    36,121.20x = 1,620,057,492.72
  5. Step 5: Solve for x
    x = 1,620,057,492.72/36,121.20
  6. Step 6: Final answer
    x = 44,850.60

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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.