Home / 51,218.73-76,825.33-19,643.92

Finding the Fourth Proportional to 51,218.73, 76,825.33 and 19,643.92

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Solution

The fourth proportional to 51,218.73, 76,825.33 and 19,643.92 is: 29,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,218.73 : 76,825.33 = 19,643.92 : x
  2. Step 2: Convert to fraction form
    51,218.73/76,825.33 = 19,643.92/x
  3. Step 3: Cross multiply
    51,218.73x = 76,825.33 × 19,643.92
  4. Step 4: Simplify right side
    51,218.73x = 1,509,150,395.32
  5. Step 5: Solve for x
    x = 1,509,150,395.32/51,218.73
  6. Step 6: Final answer
    x = 29,464.81

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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.