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Finding the Fourth Proportional to 34,485.80, 51,729.26 and 11,112.36

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Solution

The fourth proportional to 34,485.80, 51,729.26 and 11,112.36 is: 16,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,485.80 : 51,729.26 = 11,112.36 : x
  2. Step 2: Convert to fraction form
    34,485.80/51,729.26 = 11,112.36/x
  3. Step 3: Cross multiply
    34,485.80x = 51,729.26 × 11,112.36
  4. Step 4: Simplify right side
    34,485.80x = 574,834,159.65
  5. Step 5: Solve for x
    x = 574,834,159.65/34,485.80
  6. Step 6: Final answer
    x = 16,668.72

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