Home / 34,234.40-51,351.60-12,072.80

Finding the Fourth Proportional to 34,234.40, 51,351.60 and 12,072.80

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Solution

The fourth proportional to 34,234.40, 51,351.60 and 12,072.80 is: 18,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,234.40 : 51,351.60 = 12,072.80 : x
  2. Step 2: Convert to fraction form
    34,234.40/51,351.60 = 12,072.80/x
  3. Step 3: Cross multiply
    34,234.40x = 51,351.60 × 12,072.80
  4. Step 4: Simplify right side
    34,234.40x = 619,957,596.48
  5. Step 5: Solve for x
    x = 619,957,596.48/34,234.40
  6. Step 6: Final answer
    x = 18,109.20

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1.5x scale

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.