Home / 34,205.89-51,316.53-12,020.80

Finding the Fourth Proportional to 34,205.89, 51,316.53 and 12,020.80

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Solution

The fourth proportional to 34,205.89, 51,316.53 and 12,020.80 is: 18,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,205.89 : 51,316.53 = 12,020.80 : x
  2. Step 2: Convert to fraction form
    34,205.89/51,316.53 = 12,020.80/x
  3. Step 3: Cross multiply
    34,205.89x = 51,316.53 × 12,020.80
  4. Step 4: Simplify right side
    34,205.89x = 616,865,743.82
  5. Step 5: Solve for x
    x = 616,865,743.82/34,205.89
  6. Step 6: Final answer
    x = 18,033.90

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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.