Home / 68,847.04-103,262.36-18,932.20

Finding the Fourth Proportional to 68,847.04, 103,262.36 and 18,932.20

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Solution

The fourth proportional to 68,847.04, 103,262.36 and 18,932.20 is: 28,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,847.04 : 103,262.36 = 18,932.20 : x
  2. Step 2: Convert to fraction form
    68,847.04/103,262.36 = 18,932.20/x
  3. Step 3: Cross multiply
    68,847.04x = 103,262.36 × 18,932.20
  4. Step 4: Simplify right side
    68,847.04x = 1,954,983,651.99
  5. Step 5: Solve for x
    x = 1,954,983,651.99/68,847.04
  6. Step 6: Final answer
    x = 28,396.05

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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.