Home / 36,392.90-50,222.39-20,477.61

Finding the Fourth Proportional to 36,392.90, 50,222.39 and 20,477.61

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Solution

The fourth proportional to 36,392.90, 50,222.39 and 20,477.61 is: 28,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,392.90 : 50,222.39 = 20,477.61 : x
  2. Step 2: Convert to fraction form
    36,392.90/50,222.39 = 20,477.61/x
  3. Step 3: Cross multiply
    36,392.90x = 50,222.39 × 20,477.61
  4. Step 4: Simplify right side
    36,392.90x = 1,028,434,413.30
  5. Step 5: Solve for x
    x = 1,028,434,413.30/36,392.90
  6. Step 6: Final answer
    x = 28,259.21

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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.