Home / 40,286.20-60,421.74-16,912.84

Finding the Fourth Proportional to 40,286.20, 60,421.74 and 16,912.84

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Solution

The fourth proportional to 40,286.20, 60,421.74 and 16,912.84 is: 25,366.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,286.20 : 60,421.74 = 16,912.84 : x
  2. Step 2: Convert to fraction form
    40,286.20/60,421.74 = 16,912.84/x
  3. Step 3: Cross multiply
    40,286.20x = 60,421.74 × 16,912.84
  4. Step 4: Simplify right side
    40,286.20x = 1,021,903,221.14
  5. Step 5: Solve for x
    x = 1,021,903,221.14/40,286.20
  6. Step 6: Final answer
    x = 25,366.09

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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.