Home / 54,942.08-82,413.06-19,873.53

Finding the Fourth Proportional to 54,942.08, 82,413.06 and 19,873.53

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Solution

The fourth proportional to 54,942.08, 82,413.06 and 19,873.53 is: 29,810.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,942.08 : 82,413.06 = 19,873.53 : x
  2. Step 2: Convert to fraction form
    54,942.08/82,413.06 = 19,873.53/x
  3. Step 3: Cross multiply
    54,942.08x = 82,413.06 × 19,873.53
  4. Step 4: Simplify right side
    54,942.08x = 1,637,838,420.30
  5. Step 5: Solve for x
    x = 1,637,838,420.30/54,942.08
  6. Step 6: Final answer
    x = 29,810.28

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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.