Home / 29,111.88-43,631.30-12,452.34

Finding the Fourth Proportional to 29,111.88, 43,631.30 and 12,452.34

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Solution

The fourth proportional to 29,111.88, 43,631.30 and 12,452.34 is: 18,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,111.88 : 43,631.30 = 12,452.34 : x
  2. Step 2: Convert to fraction form
    29,111.88/43,631.30 = 12,452.34/x
  3. Step 3: Cross multiply
    29,111.88x = 43,631.30 × 12,452.34
  4. Step 4: Simplify right side
    29,111.88x = 543,311,782.24
  5. Step 5: Solve for x
    x = 543,311,782.24/29,111.88
  6. Step 6: Final answer
    x = 18,662.89

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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.