Home / 32,942.56-45,413.04-20,345.44

Finding the Fourth Proportional to 32,942.56, 45,413.04 and 20,345.44

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Solution

The fourth proportional to 32,942.56, 45,413.04 and 20,345.44 is: 28,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,942.56 : 45,413.04 = 20,345.44 : x
  2. Step 2: Convert to fraction form
    32,942.56/45,413.04 = 20,345.44/x
  3. Step 3: Cross multiply
    32,942.56x = 45,413.04 × 20,345.44
  4. Step 4: Simplify right side
    32,942.56x = 923,948,280.54
  5. Step 5: Solve for x
    x = 923,948,280.54/32,942.56
  6. Step 6: Final answer
    x = 28,047.25

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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.