Home / 20,321.37-30,442.62-14,974.85

Finding the Fourth Proportional to 20,321.37, 30,442.62 and 14,974.85

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Solution

The fourth proportional to 20,321.37, 30,442.62 and 14,974.85 is: 22,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,321.37 : 30,442.62 = 14,974.85 : x
  2. Step 2: Convert to fraction form
    20,321.37/30,442.62 = 14,974.85/x
  3. Step 3: Cross multiply
    20,321.37x = 30,442.62 × 14,974.85
  4. Step 4: Simplify right side
    20,321.37x = 455,873,441.02
  5. Step 5: Solve for x
    x = 455,873,441.02/20,321.37
  6. Step 6: Final answer
    x = 22,433.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.