Home / 45,876.87-68,811.96-20,584.23

Finding the Fourth Proportional to 45,876.87, 68,811.96 and 20,584.23

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Solution

The fourth proportional to 45,876.87, 68,811.96 and 20,584.23 is: 30,874.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,876.87 : 68,811.96 = 20,584.23 : x
  2. Step 2: Convert to fraction form
    45,876.87/68,811.96 = 20,584.23/x
  3. Step 3: Cross multiply
    45,876.87x = 68,811.96 × 20,584.23
  4. Step 4: Simplify right side
    45,876.87x = 1,416,441,211.39
  5. Step 5: Solve for x
    x = 1,416,441,211.39/45,876.87
  6. Step 6: Final answer
    x = 30,874.84

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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.