Home / 35,939.89-53,850.23-21,857.32

Finding the Fourth Proportional to 35,939.89, 53,850.23 and 21,857.32

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Solution

The fourth proportional to 35,939.89, 53,850.23 and 21,857.32 is: 32,749.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,939.89 : 53,850.23 = 21,857.32 : x
  2. Step 2: Convert to fraction form
    35,939.89/53,850.23 = 21,857.32/x
  3. Step 3: Cross multiply
    35,939.89x = 53,850.23 × 21,857.32
  4. Step 4: Simplify right side
    35,939.89x = 1,177,021,709.18
  5. Step 5: Solve for x
    x = 1,177,021,709.18/35,939.89
  6. Step 6: Final answer
    x = 32,749.73

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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.