Home / 50,349.21-69,481.81-28,845.92

Finding the Fourth Proportional to 50,349.21, 69,481.81 and 28,845.92

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Solution

The fourth proportional to 50,349.21, 69,481.81 and 28,845.92 is: 39,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,349.21 : 69,481.81 = 28,845.92 : x
  2. Step 2: Convert to fraction form
    50,349.21/69,481.81 = 28,845.92/x
  3. Step 3: Cross multiply
    50,349.21x = 69,481.81 × 28,845.92
  4. Step 4: Simplify right side
    50,349.21x = 2,004,266,732.72
  5. Step 5: Solve for x
    x = 2,004,266,732.72/50,349.21
  6. Step 6: Final answer
    x = 39,807.31

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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.