Home / 48,523.80-72,785.70-18,942.60

Finding the Fourth Proportional to 48,523.80, 72,785.70 and 18,942.60

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Solution

The fourth proportional to 48,523.80, 72,785.70 and 18,942.60 is: 28,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,523.80 : 72,785.70 = 18,942.60 : x
  2. Step 2: Convert to fraction form
    48,523.80/72,785.70 = 18,942.60/x
  3. Step 3: Cross multiply
    48,523.80x = 72,785.70 × 18,942.60
  4. Step 4: Simplify right side
    48,523.80x = 1,378,750,400.82
  5. Step 5: Solve for x
    x = 1,378,750,400.82/48,523.80
  6. Step 6: Final answer
    x = 28,413.90

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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.