Home / 40,945.92-61,453.44-28,288.32

Finding the Fourth Proportional to 40,945.92, 61,453.44 and 28,288.32

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Solution

The fourth proportional to 40,945.92, 61,453.44 and 28,288.32 is: 42,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,945.92 : 61,453.44 = 28,288.32 : x
  2. Step 2: Convert to fraction form
    40,945.92/61,453.44 = 28,288.32/x
  3. Step 3: Cross multiply
    40,945.92x = 61,453.44 × 28,288.32
  4. Step 4: Simplify right side
    40,945.92x = 1,738,414,575.82
  5. Step 5: Solve for x
    x = 1,738,414,575.82/40,945.92
  6. Step 6: Final answer
    x = 42,456.36

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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.