Home / 34,850.12-48,100.20-20,700.24

Finding the Fourth Proportional to 34,850.12, 48,100.20 and 20,700.24

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Solution

The fourth proportional to 34,850.12, 48,100.20 and 20,700.24 is: 28,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,850.12 : 48,100.20 = 20,700.24 : x
  2. Step 2: Convert to fraction form
    34,850.12/48,100.20 = 20,700.24/x
  3. Step 3: Cross multiply
    34,850.12x = 48,100.20 × 20,700.24
  4. Step 4: Simplify right side
    34,850.12x = 995,685,684.05
  5. Step 5: Solve for x
    x = 995,685,684.05/34,850.12
  6. Step 6: Final answer
    x = 28,570.51

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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.