Home / 36,829.70-55,243.16-21,939.87

Finding the Fourth Proportional to 36,829.70, 55,243.16 and 21,939.87

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Solution

The fourth proportional to 36,829.70, 55,243.16 and 21,939.87 is: 32,908.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,829.70 : 55,243.16 = 21,939.87 : x
  2. Step 2: Convert to fraction form
    36,829.70/55,243.16 = 21,939.87/x
  3. Step 3: Cross multiply
    36,829.70x = 55,243.16 × 21,939.87
  4. Step 4: Simplify right side
    36,829.70x = 1,212,027,639.09
  5. Step 5: Solve for x
    x = 1,212,027,639.09/36,829.70
  6. Step 6: Final answer
    x = 32,908.98

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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.