Home / 51,391.37-71,012.53-40,089.44

Finding the Fourth Proportional to 51,391.37, 71,012.53 and 40,089.44

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Solution

The fourth proportional to 51,391.37, 71,012.53 and 40,089.44 is: 55,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,391.37 : 71,012.53 = 40,089.44 : x
  2. Step 2: Convert to fraction form
    51,391.37/71,012.53 = 40,089.44/x
  3. Step 3: Cross multiply
    51,391.37x = 71,012.53 × 40,089.44
  4. Step 4: Simplify right side
    51,391.37x = 2,846,852,788.33
  5. Step 5: Solve for x
    x = 2,846,852,788.33/51,391.37
  6. Step 6: Final answer
    x = 55,395.54

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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.