Home / 51,268.36-70,745.42-31,136.26

Finding the Fourth Proportional to 51,268.36, 70,745.42 and 31,136.26

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Solution

The fourth proportional to 51,268.36, 70,745.42 and 31,136.26 is: 42,965.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,268.36 : 70,745.42 = 31,136.26 : x
  2. Step 2: Convert to fraction form
    51,268.36/70,745.42 = 31,136.26/x
  3. Step 3: Cross multiply
    51,268.36x = 70,745.42 × 31,136.26
  4. Step 4: Simplify right side
    51,268.36x = 2,202,747,790.93
  5. Step 5: Solve for x
    x = 2,202,747,790.93/51,268.36
  6. Step 6: Final answer
    x = 42,965.05

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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.