Home / 54,662.35-82,012.73-19,603.15

Finding the Fourth Proportional to 54,662.35, 82,012.73 and 19,603.15

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Solution

The fourth proportional to 54,662.35, 82,012.73 and 19,603.15 is: 29,411.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,662.35 : 82,012.73 = 19,603.15 : x
  2. Step 2: Convert to fraction form
    54,662.35/82,012.73 = 19,603.15/x
  3. Step 3: Cross multiply
    54,662.35x = 82,012.73 × 19,603.15
  4. Step 4: Simplify right side
    54,662.35x = 1,607,707,750.08
  5. Step 5: Solve for x
    x = 1,607,707,750.08/54,662.35
  6. Step 6: Final answer
    x = 29,411.61

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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.