Home / 54,930.96-82,364.04-19,375.20

Finding the Fourth Proportional to 54,930.96, 82,364.04 and 19,375.20

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Solution

The fourth proportional to 54,930.96, 82,364.04 and 19,375.20 is: 29,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,930.96 : 82,364.04 = 19,375.20 : x
  2. Step 2: Convert to fraction form
    54,930.96/82,364.04 = 19,375.20/x
  3. Step 3: Cross multiply
    54,930.96x = 82,364.04 × 19,375.20
  4. Step 4: Simplify right side
    54,930.96x = 1,595,819,747.81
  5. Step 5: Solve for x
    x = 1,595,819,747.81/54,930.96
  6. Step 6: Final answer
    x = 29,051.37

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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.