Home / 35,289.97-52,939.56-18,650.64

Finding the Fourth Proportional to 35,289.97, 52,939.56 and 18,650.64

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Solution

The fourth proportional to 35,289.97, 52,939.56 and 18,650.64 is: 27,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,289.97 : 52,939.56 = 18,650.64 : x
  2. Step 2: Convert to fraction form
    35,289.97/52,939.56 = 18,650.64/x
  3. Step 3: Cross multiply
    35,289.97x = 52,939.56 × 18,650.64
  4. Step 4: Simplify right side
    35,289.97x = 987,356,675.32
  5. Step 5: Solve for x
    x = 987,356,675.32/35,289.97
  6. Step 6: Final answer
    x = 27,978.39

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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.