Home / 57,413.49-79,252.77-38,286.36

Finding the Fourth Proportional to 57,413.49, 79,252.77 and 38,286.36

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Solution

The fourth proportional to 57,413.49, 79,252.77 and 38,286.36 is: 52,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,413.49 : 79,252.77 = 38,286.36 : x
  2. Step 2: Convert to fraction form
    57,413.49/79,252.77 = 38,286.36/x
  3. Step 3: Cross multiply
    57,413.49x = 79,252.77 × 38,286.36
  4. Step 4: Simplify right side
    57,413.49x = 3,034,300,083.22
  5. Step 5: Solve for x
    x = 3,034,300,083.22/57,413.49
  6. Step 6: Final answer
    x = 52,849.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.