Home / 29,328.60-43,991.01-12,676.89

Finding the Fourth Proportional to 29,328.60, 43,991.01 and 12,676.89

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Solution

The fourth proportional to 29,328.60, 43,991.01 and 12,676.89 is: 19,014.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,328.60 : 43,991.01 = 12,676.89 : x
  2. Step 2: Convert to fraction form
    29,328.60/43,991.01 = 12,676.89/x
  3. Step 3: Cross multiply
    29,328.60x = 43,991.01 × 12,676.89
  4. Step 4: Simplify right side
    29,328.60x = 557,669,194.76
  5. Step 5: Solve for x
    x = 557,669,194.76/29,328.60
  6. Step 6: Final answer
    x = 19,014.52

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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.