Home / 54,860.77-82,288.41-19,323.85

Finding the Fourth Proportional to 54,860.77, 82,288.41 and 19,323.85

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Solution

The fourth proportional to 54,860.77, 82,288.41 and 19,323.85 is: 28,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,860.77 : 82,288.41 = 19,323.85 : x
  2. Step 2: Convert to fraction form
    54,860.77/82,288.41 = 19,323.85/x
  3. Step 3: Cross multiply
    54,860.77x = 82,288.41 × 19,323.85
  4. Step 4: Simplify right side
    54,860.77x = 1,590,128,891.58
  5. Step 5: Solve for x
    x = 1,590,128,891.58/54,860.77
  6. Step 6: Final answer
    x = 28,984.81

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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.