Home / 38,467.92-57,709.08-12,165.60

Finding the Fourth Proportional to 38,467.92, 57,709.08 and 12,165.60

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Solution

The fourth proportional to 38,467.92, 57,709.08 and 12,165.60 is: 18,250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,467.92 : 57,709.08 = 12,165.60 : x
  2. Step 2: Convert to fraction form
    38,467.92/57,709.08 = 12,165.60/x
  3. Step 3: Cross multiply
    38,467.92x = 57,709.08 × 12,165.60
  4. Step 4: Simplify right side
    38,467.92x = 702,065,583.65
  5. Step 5: Solve for x
    x = 702,065,583.65/38,467.92
  6. Step 6: Final answer
    x = 18,250.68

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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.