Home / 38,958.33-53,762.34-21,964.41

Finding the Fourth Proportional to 38,958.33, 53,762.34 and 21,964.41

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Solution

The fourth proportional to 38,958.33, 53,762.34 and 21,964.41 is: 30,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,958.33 : 53,762.34 = 21,964.41 : x
  2. Step 2: Convert to fraction form
    38,958.33/53,762.34 = 21,964.41/x
  3. Step 3: Cross multiply
    38,958.33x = 53,762.34 × 21,964.41
  4. Step 4: Simplify right side
    38,958.33x = 1,180,858,078.32
  5. Step 5: Solve for x
    x = 1,180,858,078.32/38,958.33
  6. Step 6: Final answer
    x = 30,310.80

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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.