Home / 38,464.88-57,674.04-18,723.68

Finding the Fourth Proportional to 38,464.88, 57,674.04 and 18,723.68

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Solution

The fourth proportional to 38,464.88, 57,674.04 and 18,723.68 is: 28,074.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,464.88 : 57,674.04 = 18,723.68 : x
  2. Step 2: Convert to fraction form
    38,464.88/57,674.04 = 18,723.68/x
  3. Step 3: Cross multiply
    38,464.88x = 57,674.04 × 18,723.68
  4. Step 4: Simplify right side
    38,464.88x = 1,079,870,269.27
  5. Step 5: Solve for x
    x = 1,079,870,269.27/38,464.88
  6. Step 6: Final answer
    x = 28,074.19

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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.