Home / 43,137.36-59,571.72-28,242

Finding the Fourth Proportional to 43,137.36, 59,571.72 and 28,242

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Solution

The fourth proportional to 43,137.36, 59,571.72 and 28,242 is: 39,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,137.36 : 59,571.72 = 28,242 : x
  2. Step 2: Convert to fraction form
    43,137.36/59,571.72 = 28,242/x
  3. Step 3: Cross multiply
    43,137.36x = 59,571.72 × 28,242
  4. Step 4: Simplify right side
    43,137.36x = 1,682,424,516.24
  5. Step 5: Solve for x
    x = 1,682,424,516.24/43,137.36
  6. Step 6: Final answer
    x = 39,001.56

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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.