Home / 43,722.23-65,576.01-12,135.50

Finding the Fourth Proportional to 43,722.23, 65,576.01 and 12,135.50

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Solution

The fourth proportional to 43,722.23, 65,576.01 and 12,135.50 is: 18,201.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,722.23 : 65,576.01 = 12,135.50 : x
  2. Step 2: Convert to fraction form
    43,722.23/65,576.01 = 12,135.50/x
  3. Step 3: Cross multiply
    43,722.23x = 65,576.01 × 12,135.50
  4. Step 4: Simplify right side
    43,722.23x = 795,798,014.56
  5. Step 5: Solve for x
    x = 795,798,014.56/43,722.23
  6. Step 6: Final answer
    x = 18,201.22

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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.