Home / 41,770.45-62,668.66-13,690.75

Finding the Fourth Proportional to 41,770.45, 62,668.66 and 13,690.75

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Solution

The fourth proportional to 41,770.45, 62,668.66 and 13,690.75 is: 20,540.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,770.45 : 62,668.66 = 13,690.75 : x
  2. Step 2: Convert to fraction form
    41,770.45/62,668.66 = 13,690.75/x
  3. Step 3: Cross multiply
    41,770.45x = 62,668.66 × 13,690.75
  4. Step 4: Simplify right side
    41,770.45x = 857,980,956.90
  5. Step 5: Solve for x
    x = 857,980,956.90/41,770.45
  6. Step 6: Final answer
    x = 20,540.38

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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.