Home / 46,228-69,330.40-12,939.44

Finding the Fourth Proportional to 46,228, 69,330.40 and 12,939.44

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Solution

The fourth proportional to 46,228, 69,330.40 and 12,939.44 is: 19,405.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,228 : 69,330.40 = 12,939.44 : x
  2. Step 2: Convert to fraction form
    46,228/69,330.40 = 12,939.44/x
  3. Step 3: Cross multiply
    46,228x = 69,330.40 × 12,939.44
  4. Step 4: Simplify right side
    46,228x = 897,096,550.98
  5. Step 5: Solve for x
    x = 897,096,550.98/46,228
  6. Step 6: Final answer
    x = 19,405.91

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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.