Home / 45,608.20-68,405.90-14,446.60

Finding the Fourth Proportional to 45,608.20, 68,405.90 and 14,446.60

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Solution

The fourth proportional to 45,608.20, 68,405.90 and 14,446.60 is: 21,667.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,608.20 : 68,405.90 = 14,446.60 : x
  2. Step 2: Convert to fraction form
    45,608.20/68,405.90 = 14,446.60/x
  3. Step 3: Cross multiply
    45,608.20x = 68,405.90 × 14,446.60
  4. Step 4: Simplify right side
    45,608.20x = 988,232,674.94
  5. Step 5: Solve for x
    x = 988,232,674.94/45,608.20
  6. Step 6: Final answer
    x = 21,667.87

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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.