Home / 51,243.28-76,868.88-19,668.52

Finding the Fourth Proportional to 51,243.28, 76,868.88 and 19,668.52

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Solution

The fourth proportional to 51,243.28, 76,868.88 and 19,668.52 is: 29,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,243.28 : 76,868.88 = 19,668.52 : x
  2. Step 2: Convert to fraction form
    51,243.28/76,868.88 = 19,668.52/x
  3. Step 3: Cross multiply
    51,243.28x = 76,868.88 × 19,668.52
  4. Step 4: Simplify right side
    51,243.28x = 1,511,897,103.66
  5. Step 5: Solve for x
    x = 1,511,897,103.66/51,243.28
  6. Step 6: Final answer
    x = 29,504.30

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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.