Home / 50,418.21-69,427.07-49,299.37

Finding the Fourth Proportional to 50,418.21, 69,427.07 and 49,299.37

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Solution

The fourth proportional to 50,418.21, 69,427.07 and 49,299.37 is: 67,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,418.21 : 69,427.07 = 49,299.37 : x
  2. Step 2: Convert to fraction form
    50,418.21/69,427.07 = 49,299.37/x
  3. Step 3: Cross multiply
    50,418.21x = 69,427.07 × 49,299.37
  4. Step 4: Simplify right side
    50,418.21x = 3,422,710,576.75
  5. Step 5: Solve for x
    x = 3,422,710,576.75/50,418.21
  6. Step 6: Final answer
    x = 67,886.39

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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.