Home / 40,811.82-61,250.64-21,096

Finding the Fourth Proportional to 40,811.82, 61,250.64 and 21,096

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Solution

The fourth proportional to 40,811.82, 61,250.64 and 21,096 is: 31,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,811.82 : 61,250.64 = 21,096 : x
  2. Step 2: Convert to fraction form
    40,811.82/61,250.64 = 21,096/x
  3. Step 3: Cross multiply
    40,811.82x = 61,250.64 × 21,096
  4. Step 4: Simplify right side
    40,811.82x = 1,292,143,501.44
  5. Step 5: Solve for x
    x = 1,292,143,501.44/40,811.82
  6. Step 6: Final answer
    x = 31,661.01

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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.