Home / 43,234.40-64,804.48-28,453.44

Finding the Fourth Proportional to 43,234.40, 64,804.48 and 28,453.44

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Solution

The fourth proportional to 43,234.40, 64,804.48 and 28,453.44 is: 42,649.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,234.40 : 64,804.48 = 28,453.44 : x
  2. Step 2: Convert to fraction form
    43,234.40/64,804.48 = 28,453.44/x
  3. Step 3: Cross multiply
    43,234.40x = 64,804.48 × 28,453.44
  4. Step 4: Simplify right side
    43,234.40x = 1,843,910,383.41
  5. Step 5: Solve for x
    x = 1,843,910,383.41/43,234.40
  6. Step 6: Final answer
    x = 42,649.15

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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.