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Finding the Fourth Proportional to 40,209.50, 55,480.87 and 22,300.67

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Solution

The fourth proportional to 40,209.50, 55,480.87 and 22,300.67 is: 30,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,209.50 : 55,480.87 = 22,300.67 : x
  2. Step 2: Convert to fraction form
    40,209.50/55,480.87 = 22,300.67/x
  3. Step 3: Cross multiply
    40,209.50x = 55,480.87 × 22,300.67
  4. Step 4: Simplify right side
    40,209.50x = 1,237,260,573.18
  5. Step 5: Solve for x
    x = 1,237,260,573.18/40,209.50
  6. Step 6: Final answer
    x = 30,770.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.