Home / 54,154.92-74,735.52-30,281.54

Finding the Fourth Proportional to 54,154.92, 74,735.52 and 30,281.54

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Solution

The fourth proportional to 54,154.92, 74,735.52 and 30,281.54 is: 41,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,154.92 : 74,735.52 = 30,281.54 : x
  2. Step 2: Convert to fraction form
    54,154.92/74,735.52 = 30,281.54/x
  3. Step 3: Cross multiply
    54,154.92x = 74,735.52 × 30,281.54
  4. Step 4: Simplify right side
    54,154.92x = 2,263,106,638.30
  5. Step 5: Solve for x
    x = 2,263,106,638.30/54,154.92
  6. Step 6: Final answer
    x = 41,789.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.