Home / 40,694.81-61,051.67-12,613.37

Finding the Fourth Proportional to 40,694.81, 61,051.67 and 12,613.37

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Solution

The fourth proportional to 40,694.81, 61,051.67 and 12,613.37 is: 18,922.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,694.81 : 61,051.67 = 12,613.37 : x
  2. Step 2: Convert to fraction form
    40,694.81/61,051.67 = 12,613.37/x
  3. Step 3: Cross multiply
    40,694.81x = 61,051.67 × 12,613.37
  4. Step 4: Simplify right side
    40,694.81x = 770,067,396.17
  5. Step 5: Solve for x
    x = 770,067,396.17/40,694.81
  6. Step 6: Final answer
    x = 18,922.99

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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.