Home / 43,247.54-64,879.42-13,672.82

Finding the Fourth Proportional to 43,247.54, 64,879.42 and 13,672.82

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Solution

The fourth proportional to 43,247.54, 64,879.42 and 13,672.82 is: 20,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,247.54 : 64,879.42 = 13,672.82 : x
  2. Step 2: Convert to fraction form
    43,247.54/64,879.42 = 13,672.82/x
  3. Step 3: Cross multiply
    43,247.54x = 64,879.42 × 13,672.82
  4. Step 4: Simplify right side
    43,247.54x = 887,084,631.36
  5. Step 5: Solve for x
    x = 887,084,631.36/43,247.54
  6. Step 6: Final answer
    x = 20,511.79

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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.