Home / 54,942.17-82,413.35-19,873.62

Finding the Fourth Proportional to 54,942.17, 82,413.35 and 19,873.62

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Solution

The fourth proportional to 54,942.17, 82,413.35 and 19,873.62 is: 29,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,942.17 : 82,413.35 = 19,873.62 : x
  2. Step 2: Convert to fraction form
    54,942.17/82,413.35 = 19,873.62/x
  3. Step 3: Cross multiply
    54,942.17x = 82,413.35 × 19,873.62
  4. Step 4: Simplify right side
    54,942.17x = 1,637,851,575.98
  5. Step 5: Solve for x
    x = 1,637,851,575.98/54,942.17
  6. Step 6: Final answer
    x = 29,810.47

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1.5x scale

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.