Home / 35,091.73-52,623.61-20,311.05

Finding the Fourth Proportional to 35,091.73, 52,623.61 and 20,311.05

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Solution

The fourth proportional to 35,091.73, 52,623.61 and 20,311.05 is: 30,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,091.73 : 52,623.61 = 20,311.05 : x
  2. Step 2: Convert to fraction form
    35,091.73/52,623.61 = 20,311.05/x
  3. Step 3: Cross multiply
    35,091.73x = 52,623.61 × 20,311.05
  4. Step 4: Simplify right side
    35,091.73x = 1,068,840,920.45
  5. Step 5: Solve for x
    x = 1,068,840,920.45/35,091.73
  6. Step 6: Final answer
    x = 30,458.48

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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.