Home / 43,846.20-65,769.30-40,638.60

Finding the Fourth Proportional to 43,846.20, 65,769.30 and 40,638.60

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Solution

The fourth proportional to 43,846.20, 65,769.30 and 40,638.60 is: 60,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,846.20 : 65,769.30 = 40,638.60 : x
  2. Step 2: Convert to fraction form
    43,846.20/65,769.30 = 40,638.60/x
  3. Step 3: Cross multiply
    43,846.20x = 65,769.30 × 40,638.60
  4. Step 4: Simplify right side
    43,846.20x = 2,672,772,274.98
  5. Step 5: Solve for x
    x = 2,672,772,274.98/43,846.20
  6. Step 6: Final answer
    x = 60,957.90

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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.