Home / 48,413.76-66,820.32-40,441.92

Finding the Fourth Proportional to 48,413.76, 66,820.32 and 40,441.92

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Solution

The fourth proportional to 48,413.76, 66,820.32 and 40,441.92 is: 55,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,413.76 : 66,820.32 = 40,441.92 : x
  2. Step 2: Convert to fraction form
    48,413.76/66,820.32 = 40,441.92/x
  3. Step 3: Cross multiply
    48,413.76x = 66,820.32 × 40,441.92
  4. Step 4: Simplify right side
    48,413.76x = 2,702,342,035.81
  5. Step 5: Solve for x
    x = 2,702,342,035.81/48,413.76
  6. Step 6: Final answer
    x = 55,817.64

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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.