Home / 54,413.14-81,635.50-19,355.52

Finding the Fourth Proportional to 54,413.14, 81,635.50 and 19,355.52

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Solution

The fourth proportional to 54,413.14, 81,635.50 and 19,355.52 is: 29,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,413.14 : 81,635.50 = 19,355.52 : x
  2. Step 2: Convert to fraction form
    54,413.14/81,635.50 = 19,355.52/x
  3. Step 3: Cross multiply
    54,413.14x = 81,635.50 × 19,355.52
  4. Step 4: Simplify right side
    54,413.14x = 1,580,097,552.96
  5. Step 5: Solve for x
    x = 1,580,097,552.96/54,413.14
  6. Step 6: Final answer
    x = 29,038.90

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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.