Home / 54,804.54-82,156.50-19,735.68

Finding the Fourth Proportional to 54,804.54, 82,156.50 and 19,735.68

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Solution

The fourth proportional to 54,804.54, 82,156.50 and 19,735.68 is: 29,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,804.54 : 82,156.50 = 19,735.68 : x
  2. Step 2: Convert to fraction form
    54,804.54/82,156.50 = 19,735.68/x
  3. Step 3: Cross multiply
    54,804.54x = 82,156.50 × 19,735.68
  4. Step 4: Simplify right side
    54,804.54x = 1,621,414,393.92
  5. Step 5: Solve for x
    x = 1,621,414,393.92/54,804.54
  6. Step 6: Final answer
    x = 29,585.40

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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.