Home / 31,559.96-43,548.44-18,131.22

Finding the Fourth Proportional to 31,559.96, 43,548.44 and 18,131.22

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Solution

The fourth proportional to 31,559.96, 43,548.44 and 18,131.22 is: 25,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,559.96 : 43,548.44 = 18,131.22 : x
  2. Step 2: Convert to fraction form
    31,559.96/43,548.44 = 18,131.22/x
  3. Step 3: Cross multiply
    31,559.96x = 43,548.44 × 18,131.22
  4. Step 4: Simplify right side
    31,559.96x = 789,586,255.64
  5. Step 5: Solve for x
    x = 789,586,255.64/31,559.96
  6. Step 6: Final answer
    x = 25,018.61

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1.5x scale

Why These Related Problems?

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