Home / 30,118.44-41,562-16,688.64

Finding the Fourth Proportional to 30,118.44, 41,562 and 16,688.64

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Solution

The fourth proportional to 30,118.44, 41,562 and 16,688.64 is: 23,029.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.44 : 41,562 = 16,688.64 : x
  2. Step 2: Convert to fraction form
    30,118.44/41,562 = 16,688.64/x
  3. Step 3: Cross multiply
    30,118.44x = 41,562 × 16,688.64
  4. Step 4: Simplify right side
    30,118.44x = 693,613,255.68
  5. Step 5: Solve for x
    x = 693,613,255.68/30,118.44
  6. Step 6: Final answer
    x = 23,029.52

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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.