Home / 34,331.80-51,497.70-12,170.20

Finding the Fourth Proportional to 34,331.80, 51,497.70 and 12,170.20

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Solution

The fourth proportional to 34,331.80, 51,497.70 and 12,170.20 is: 18,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,331.80 : 51,497.70 = 12,170.20 : x
  2. Step 2: Convert to fraction form
    34,331.80/51,497.70 = 12,170.20/x
  3. Step 3: Cross multiply
    34,331.80x = 51,497.70 × 12,170.20
  4. Step 4: Simplify right side
    34,331.80x = 626,737,308.54
  5. Step 5: Solve for x
    x = 626,737,308.54/34,331.80
  6. Step 6: Final answer
    x = 18,255.30

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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.