Home / 30,318.33-41,840.60-16,889.60

Finding the Fourth Proportional to 30,318.33, 41,840.60 and 16,889.60

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Solution

The fourth proportional to 30,318.33, 41,840.60 and 16,889.60 is: 23,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,318.33 : 41,840.60 = 16,889.60 : x
  2. Step 2: Convert to fraction form
    30,318.33/41,840.60 = 16,889.60/x
  3. Step 3: Cross multiply
    30,318.33x = 41,840.60 × 16,889.60
  4. Step 4: Simplify right side
    30,318.33x = 706,670,782.56
  5. Step 5: Solve for x
    x = 706,670,782.56/30,318.33
  6. Step 6: Final answer
    x = 23,308.36

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1.5x scale

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.