Home / 36,535.23-50,413.55-20,400.57

Finding the Fourth Proportional to 36,535.23, 50,413.55 and 20,400.57

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Solution

The fourth proportional to 36,535.23, 50,413.55 and 20,400.57 is: 28,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,535.23 : 50,413.55 = 20,400.57 : x
  2. Step 2: Convert to fraction form
    36,535.23/50,413.55 = 20,400.57/x
  3. Step 3: Cross multiply
    36,535.23x = 50,413.55 × 20,400.57
  4. Step 4: Simplify right side
    36,535.23x = 1,028,464,903.66
  5. Step 5: Solve for x
    x = 1,028,464,903.66/36,535.23
  6. Step 6: Final answer
    x = 28,149.95

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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.