Home / 50,413.36-69,569.76-28,057.36

Finding the Fourth Proportional to 50,413.36, 69,569.76 and 28,057.36

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Solution

The fourth proportional to 50,413.36, 69,569.76 and 28,057.36 is: 38,718.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,413.36 : 69,569.76 = 28,057.36 : x
  2. Step 2: Convert to fraction form
    50,413.36/69,569.76 = 28,057.36/x
  3. Step 3: Cross multiply
    50,413.36x = 69,569.76 × 28,057.36
  4. Step 4: Simplify right side
    50,413.36x = 1,951,943,801.43
  5. Step 5: Solve for x
    x = 1,951,943,801.43/50,413.36
  6. Step 6: Final answer
    x = 38,718.78

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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.