Home / 50,804.52-76,169.86-21,230.81

Finding the Fourth Proportional to 50,804.52, 76,169.86 and 21,230.81

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Solution

The fourth proportional to 50,804.52, 76,169.86 and 21,230.81 is: 31,830.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,804.52 : 76,169.86 = 21,230.81 : x
  2. Step 2: Convert to fraction form
    50,804.52/76,169.86 = 21,230.81/x
  3. Step 3: Cross multiply
    50,804.52x = 76,169.86 × 21,230.81
  4. Step 4: Simplify right side
    50,804.52x = 1,617,147,962.73
  5. Step 5: Solve for x
    x = 1,617,147,962.73/50,804.52
  6. Step 6: Final answer
    x = 31,830.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.