Home / 34,668.05-52,015.10-20,636.15

Finding the Fourth Proportional to 34,668.05, 52,015.10 and 20,636.15

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Solution

The fourth proportional to 34,668.05, 52,015.10 and 20,636.15 is: 30,961.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,668.05 : 52,015.10 = 20,636.15 : x
  2. Step 2: Convert to fraction form
    34,668.05/52,015.10 = 20,636.15/x
  3. Step 3: Cross multiply
    34,668.05x = 52,015.10 × 20,636.15
  4. Step 4: Simplify right side
    34,668.05x = 1,073,391,042.61
  5. Step 5: Solve for x
    x = 1,073,391,042.61/34,668.05
  6. Step 6: Final answer
    x = 30,961.97

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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.