Home / 64,634.41-89,195.49-36,340.09

Finding the Fourth Proportional to 64,634.41, 89,195.49 and 36,340.09

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Solution

The fourth proportional to 64,634.41, 89,195.49 and 36,340.09 is: 50,149.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,634.41 : 89,195.49 = 36,340.09 : x
  2. Step 2: Convert to fraction form
    64,634.41/89,195.49 = 36,340.09/x
  3. Step 3: Cross multiply
    64,634.41x = 89,195.49 × 36,340.09
  4. Step 4: Simplify right side
    64,634.41x = 3,241,372,134.19
  5. Step 5: Solve for x
    x = 3,241,372,134.19/64,634.41
  6. Step 6: Final answer
    x = 50,149.33

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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.