Home / 34,348.60-51,474.30-21,161.80

Finding the Fourth Proportional to 34,348.60, 51,474.30 and 21,161.80

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Solution

The fourth proportional to 34,348.60, 51,474.30 and 21,161.80 is: 31,712.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,348.60 : 51,474.30 = 21,161.80 : x
  2. Step 2: Convert to fraction form
    34,348.60/51,474.30 = 21,161.80/x
  3. Step 3: Cross multiply
    34,348.60x = 51,474.30 × 21,161.80
  4. Step 4: Simplify right side
    34,348.60x = 1,089,288,841.74
  5. Step 5: Solve for x
    x = 1,089,288,841.74/34,348.60
  6. Step 6: Final answer
    x = 31,712.76

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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.