Home / 45,477.06-68,183.84-20,162.86

Finding the Fourth Proportional to 45,477.06, 68,183.84 and 20,162.86

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Solution

The fourth proportional to 45,477.06, 68,183.84 and 20,162.86 is: 30,230.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,477.06 : 68,183.84 = 20,162.86 : x
  2. Step 2: Convert to fraction form
    45,477.06/68,183.84 = 20,162.86/x
  3. Step 3: Cross multiply
    45,477.06x = 68,183.84 × 20,162.86
  4. Step 4: Simplify right side
    45,477.06x = 1,374,781,220.18
  5. Step 5: Solve for x
    x = 1,374,781,220.18/45,477.06
  6. Step 6: Final answer
    x = 30,230.21

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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.