Home / 38,620.94-57,932.42-12,325.65

Finding the Fourth Proportional to 38,620.94, 57,932.42 and 12,325.65

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Solution

The fourth proportional to 38,620.94, 57,932.42 and 12,325.65 is: 18,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,620.94 : 57,932.42 = 12,325.65 : x
  2. Step 2: Convert to fraction form
    38,620.94/57,932.42 = 12,325.65/x
  3. Step 3: Cross multiply
    38,620.94x = 57,932.42 × 12,325.65
  4. Step 4: Simplify right side
    38,620.94x = 714,054,670.94
  5. Step 5: Solve for x
    x = 714,054,670.94/38,620.94
  6. Step 6: Final answer
    x = 18,488.80

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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.