Home / 40,626.18-60,954.12-20,914.02

Finding the Fourth Proportional to 40,626.18, 60,954.12 and 20,914.02

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Solution

The fourth proportional to 40,626.18, 60,954.12 and 20,914.02 is: 31,378.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,626.18 : 60,954.12 = 20,914.02 : x
  2. Step 2: Convert to fraction form
    40,626.18/60,954.12 = 20,914.02/x
  3. Step 3: Cross multiply
    40,626.18x = 60,954.12 × 20,914.02
  4. Step 4: Simplify right side
    40,626.18x = 1,274,795,684.76
  5. Step 5: Solve for x
    x = 1,274,795,684.76/40,626.18
  6. Step 6: Final answer
    x = 31,378.67

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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.