Home / 20,219.42-30,284.96-16,669.55

Finding the Fourth Proportional to 20,219.42, 30,284.96 and 16,669.55

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Solution

The fourth proportional to 20,219.42, 30,284.96 and 16,669.55 is: 24,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219.42 : 30,284.96 = 16,669.55 : x
  2. Step 2: Convert to fraction form
    20,219.42/30,284.96 = 16,669.55/x
  3. Step 3: Cross multiply
    20,219.42x = 30,284.96 × 16,669.55
  4. Step 4: Simplify right side
    20,219.42x = 504,836,617.63
  5. Step 5: Solve for x
    x = 504,836,617.63/20,219.42
  6. Step 6: Final answer
    x = 24,967.90

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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.