Home / 45,286.24-67,903.44-18,968.80

Finding the Fourth Proportional to 45,286.24, 67,903.44 and 18,968.80

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Solution

The fourth proportional to 45,286.24, 67,903.44 and 18,968.80 is: 28,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,286.24 : 67,903.44 = 18,968.80 : x
  2. Step 2: Convert to fraction form
    45,286.24/67,903.44 = 18,968.80/x
  3. Step 3: Cross multiply
    45,286.24x = 67,903.44 × 18,968.80
  4. Step 4: Simplify right side
    45,286.24x = 1,288,046,772.67
  5. Step 5: Solve for x
    x = 1,288,046,772.67/45,286.24
  6. Step 6: Final answer
    x = 28,442.34

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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.