Home / 54,729.37-82,057.61-19,664.47

Finding the Fourth Proportional to 54,729.37, 82,057.61 and 19,664.47

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Solution

The fourth proportional to 54,729.37, 82,057.61 and 19,664.47 is: 29,483.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,729.37 : 82,057.61 = 19,664.47 : x
  2. Step 2: Convert to fraction form
    54,729.37/82,057.61 = 19,664.47/x
  3. Step 3: Cross multiply
    54,729.37x = 82,057.61 × 19,664.47
  4. Step 4: Simplify right side
    54,729.37x = 1,613,619,451.24
  5. Step 5: Solve for x
    x = 1,613,619,451.24/54,729.37
  6. Step 6: Final answer
    x = 29,483.61

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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.