Home / 43,249.70-64,862.40-13,676.60

Finding the Fourth Proportional to 43,249.70, 64,862.40 and 13,676.60

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Solution

The fourth proportional to 43,249.70, 64,862.40 and 13,676.60 is: 20,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,249.70 : 64,862.40 = 13,676.60 : x
  2. Step 2: Convert to fraction form
    43,249.70/64,862.40 = 13,676.60/x
  3. Step 3: Cross multiply
    43,249.70x = 64,862.40 × 13,676.60
  4. Step 4: Simplify right side
    43,249.70x = 887,097,099.84
  5. Step 5: Solve for x
    x = 887,097,099.84/43,249.70
  6. Step 6: Final answer
    x = 20,511.06

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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.