Home / 34,687.80-52,089.30-19,116.60

Finding the Fourth Proportional to 34,687.80, 52,089.30 and 19,116.60

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Solution

The fourth proportional to 34,687.80, 52,089.30 and 19,116.60 is: 28,706.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,687.80 : 52,089.30 = 19,116.60 : x
  2. Step 2: Convert to fraction form
    34,687.80/52,089.30 = 19,116.60/x
  3. Step 3: Cross multiply
    34,687.80x = 52,089.30 × 19,116.60
  4. Step 4: Simplify right side
    34,687.80x = 995,770,312.38
  5. Step 5: Solve for x
    x = 995,770,312.38/34,687.80
  6. Step 6: Final answer
    x = 28,706.64

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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.