Home / 50,436.92-75,610.26-20,835.87

Finding the Fourth Proportional to 50,436.92, 75,610.26 and 20,835.87

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Solution

The fourth proportional to 50,436.92, 75,610.26 and 20,835.87 is: 31,235.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,436.92 : 75,610.26 = 20,835.87 : x
  2. Step 2: Convert to fraction form
    50,436.92/75,610.26 = 20,835.87/x
  3. Step 3: Cross multiply
    50,436.92x = 75,610.26 × 20,835.87
  4. Step 4: Simplify right side
    50,436.92x = 1,575,405,548.03
  5. Step 5: Solve for x
    x = 1,575,405,548.03/50,436.92
  6. Step 6: Final answer
    x = 31,235.17

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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.