Home / 34,211.20-51,316.80-16,715.20

Finding the Fourth Proportional to 34,211.20, 51,316.80 and 16,715.20

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Solution

The fourth proportional to 34,211.20, 51,316.80 and 16,715.20 is: 25,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,211.20 : 51,316.80 = 16,715.20 : x
  2. Step 2: Convert to fraction form
    34,211.20/51,316.80 = 16,715.20/x
  3. Step 3: Cross multiply
    34,211.20x = 51,316.80 × 16,715.20
  4. Step 4: Simplify right side
    34,211.20x = 857,770,575.36
  5. Step 5: Solve for x
    x = 857,770,575.36/34,211.20
  6. Step 6: Final answer
    x = 25,072.80

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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.