Home / 35,917.67-49,563.21-20,805.50

Finding the Fourth Proportional to 35,917.67, 49,563.21 and 20,805.50

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Solution

The fourth proportional to 35,917.67, 49,563.21 and 20,805.50 is: 28,709.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,917.67 : 49,563.21 = 20,805.50 : x
  2. Step 2: Convert to fraction form
    35,917.67/49,563.21 = 20,805.50/x
  3. Step 3: Cross multiply
    35,917.67x = 49,563.21 × 20,805.50
  4. Step 4: Simplify right side
    35,917.67x = 1,031,187,365.66
  5. Step 5: Solve for x
    x = 1,031,187,365.66/35,917.67
  6. Step 6: Final answer
    x = 28,709.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.