Home / 35,413.68-48,879.18-20,306.07

Finding the Fourth Proportional to 35,413.68, 48,879.18 and 20,306.07

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Solution

The fourth proportional to 35,413.68, 48,879.18 and 20,306.07 is: 28,027.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,413.68 : 48,879.18 = 20,306.07 : x
  2. Step 2: Convert to fraction form
    35,413.68/48,879.18 = 20,306.07/x
  3. Step 3: Cross multiply
    35,413.68x = 48,879.18 × 20,306.07
  4. Step 4: Simplify right side
    35,413.68x = 992,544,050.62
  5. Step 5: Solve for x
    x = 992,544,050.62/35,413.68
  6. Step 6: Final answer
    x = 28,027.14

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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.