Home / 49,413.08-68,189.10-28,188.92

Finding the Fourth Proportional to 49,413.08, 68,189.10 and 28,188.92

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Solution

The fourth proportional to 49,413.08, 68,189.10 and 28,188.92 is: 38,900.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,413.08 : 68,189.10 = 28,188.92 : x
  2. Step 2: Convert to fraction form
    49,413.08/68,189.10 = 28,188.92/x
  3. Step 3: Cross multiply
    49,413.08x = 68,189.10 × 28,188.92
  4. Step 4: Simplify right side
    49,413.08x = 1,922,177,084.77
  5. Step 5: Solve for x
    x = 1,922,177,084.77/49,413.08
  6. Step 6: Final answer
    x = 38,900.17

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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.