Home / 54,413.14-81,570.50-19,344.59

Finding the Fourth Proportional to 54,413.14, 81,570.50 and 19,344.59

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Solution

The fourth proportional to 54,413.14, 81,570.50 and 19,344.59 is: 28,999.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,413.14 : 81,570.50 = 19,344.59 : x
  2. Step 2: Convert to fraction form
    54,413.14/81,570.50 = 19,344.59/x
  3. Step 3: Cross multiply
    54,413.14x = 81,570.50 × 19,344.59
  4. Step 4: Simplify right side
    54,413.14x = 1,577,948,058.34
  5. Step 5: Solve for x
    x = 1,577,948,058.34/54,413.14
  6. Step 6: Final answer
    x = 28,999.39

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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.