Home / 43,491.16-65,236.62-12,326.68

Finding the Fourth Proportional to 43,491.16, 65,236.62 and 12,326.68

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Solution

The fourth proportional to 43,491.16, 65,236.62 and 12,326.68 is: 18,489.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,491.16 : 65,236.62 = 12,326.68 : x
  2. Step 2: Convert to fraction form
    43,491.16/65,236.62 = 12,326.68/x
  3. Step 3: Cross multiply
    43,491.16x = 65,236.62 × 12,326.68
  4. Step 4: Simplify right side
    43,491.16x = 804,150,939.02
  5. Step 5: Solve for x
    x = 804,150,939.02/43,491.16
  6. Step 6: Final answer
    x = 18,489.99

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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.