Home / 29,137.08-43,705.67-12,486.31

Finding the Fourth Proportional to 29,137.08, 43,705.67 and 12,486.31

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Solution

The fourth proportional to 29,137.08, 43,705.67 and 12,486.31 is: 18,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,137.08 : 43,705.67 = 12,486.31 : x
  2. Step 2: Convert to fraction form
    29,137.08/43,705.67 = 12,486.31/x
  3. Step 3: Cross multiply
    29,137.08x = 43,705.67 × 12,486.31
  4. Step 4: Simplify right side
    29,137.08x = 545,722,544.38
  5. Step 5: Solve for x
    x = 545,722,544.38/29,137.08
  6. Step 6: Final answer
    x = 18,729.49

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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.