Home / 34,396.60-51,546.30-21,209.80

Finding the Fourth Proportional to 34,396.60, 51,546.30 and 21,209.80

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Solution

The fourth proportional to 34,396.60, 51,546.30 and 21,209.80 is: 31,784.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,396.60 : 51,546.30 = 21,209.80 : x
  2. Step 2: Convert to fraction form
    34,396.60/51,546.30 = 21,209.80/x
  3. Step 3: Cross multiply
    34,396.60x = 51,546.30 × 21,209.80
  4. Step 4: Simplify right side
    34,396.60x = 1,093,286,713.74
  5. Step 5: Solve for x
    x = 1,093,286,713.74/34,396.60
  6. Step 6: Final answer
    x = 31,784.73

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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.