Home / 50,021.52-69,033.84-31,161.44

Finding the Fourth Proportional to 50,021.52, 69,033.84 and 31,161.44

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Solution

The fourth proportional to 50,021.52, 69,033.84 and 31,161.44 is: 43,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,021.52 : 69,033.84 = 31,161.44 : x
  2. Step 2: Convert to fraction form
    50,021.52/69,033.84 = 31,161.44/x
  3. Step 3: Cross multiply
    50,021.52x = 69,033.84 × 31,161.44
  4. Step 4: Simplify right side
    50,021.52x = 2,151,193,863.13
  5. Step 5: Solve for x
    x = 2,151,193,863.13/50,021.52
  6. Step 6: Final answer
    x = 43,005.37

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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.