Home / 54,895.44-82,354.80-21,162.33

Finding the Fourth Proportional to 54,895.44, 82,354.80 and 21,162.33

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Solution

The fourth proportional to 54,895.44, 82,354.80 and 21,162.33 is: 31,747.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,895.44 : 82,354.80 = 21,162.33 : x
  2. Step 2: Convert to fraction form
    54,895.44/82,354.80 = 21,162.33/x
  3. Step 3: Cross multiply
    54,895.44x = 82,354.80 × 21,162.33
  4. Step 4: Simplify right side
    54,895.44x = 1,742,819,454.68
  5. Step 5: Solve for x
    x = 1,742,819,454.68/54,895.44
  6. Step 6: Final answer
    x = 31,747.98

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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.