Home / 35,415.14-48,861.85-20,099.15

Finding the Fourth Proportional to 35,415.14, 48,861.85 and 20,099.15

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Solution

The fourth proportional to 35,415.14, 48,861.85 and 20,099.15 is: 27,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,415.14 : 48,861.85 = 20,099.15 : x
  2. Step 2: Convert to fraction form
    35,415.14/48,861.85 = 20,099.15/x
  3. Step 3: Cross multiply
    35,415.14x = 48,861.85 × 20,099.15
  4. Step 4: Simplify right side
    35,415.14x = 982,081,652.43
  5. Step 5: Solve for x
    x = 982,081,652.43/35,415.14
  6. Step 6: Final answer
    x = 27,730.56

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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.