Home / 36,400.95-50,234.06-20,485.35

Finding the Fourth Proportional to 36,400.95, 50,234.06 and 20,485.35

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Solution

The fourth proportional to 36,400.95, 50,234.06 and 20,485.35 is: 28,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,400.95 : 50,234.06 = 20,485.35 : x
  2. Step 2: Convert to fraction form
    36,400.95/50,234.06 = 20,485.35/x
  3. Step 3: Cross multiply
    36,400.95x = 50,234.06 × 20,485.35
  4. Step 4: Simplify right side
    36,400.95x = 1,029,062,198.59
  5. Step 5: Solve for x
    x = 1,029,062,198.59/36,400.95
  6. Step 6: Final answer
    x = 28,270.20

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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.