Home / 29,108.25-43,625.84-12,448.68

Finding the Fourth Proportional to 29,108.25, 43,625.84 and 12,448.68

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Solution

The fourth proportional to 29,108.25, 43,625.84 and 12,448.68 is: 18,657.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,108.25 : 43,625.84 = 12,448.68 : x
  2. Step 2: Convert to fraction form
    29,108.25/43,625.84 = 12,448.68/x
  3. Step 3: Cross multiply
    29,108.25x = 43,625.84 × 12,448.68
  4. Step 4: Simplify right side
    29,108.25x = 543,084,059.65
  5. Step 5: Solve for x
    x = 543,084,059.65/29,108.25
  6. Step 6: Final answer
    x = 18,657.39

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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.