Home / 38,634.06-57,955.65-13,668.90

Finding the Fourth Proportional to 38,634.06, 57,955.65 and 13,668.90

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Solution

The fourth proportional to 38,634.06, 57,955.65 and 13,668.90 is: 20,504.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,634.06 : 57,955.65 = 13,668.90 : x
  2. Step 2: Convert to fraction form
    38,634.06/57,955.65 = 13,668.90/x
  3. Step 3: Cross multiply
    38,634.06x = 57,955.65 × 13,668.90
  4. Step 4: Simplify right side
    38,634.06x = 792,189,984.29
  5. Step 5: Solve for x
    x = 792,189,984.29/38,634.06
  6. Step 6: Final answer
    x = 20,504.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.