Home / 40,418.84-60,635.01-18,231.73

Finding the Fourth Proportional to 40,418.84, 60,635.01 and 18,231.73

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Solution

The fourth proportional to 40,418.84, 60,635.01 and 18,231.73 is: 27,350.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,418.84 : 60,635.01 = 18,231.73 : x
  2. Step 2: Convert to fraction form
    40,418.84/60,635.01 = 18,231.73/x
  3. Step 3: Cross multiply
    40,418.84x = 60,635.01 × 18,231.73
  4. Step 4: Simplify right side
    40,418.84x = 1,105,481,047.65
  5. Step 5: Solve for x
    x = 1,105,481,047.65/40,418.84
  6. Step 6: Final answer
    x = 27,350.64

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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.