Home / 40,891.14-61,338.07-11,309.22

Finding the Fourth Proportional to 40,891.14, 61,338.07 and 11,309.22

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Solution

The fourth proportional to 40,891.14, 61,338.07 and 11,309.22 is: 16,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,891.14 : 61,338.07 = 11,309.22 : x
  2. Step 2: Convert to fraction form
    40,891.14/61,338.07 = 11,309.22/x
  3. Step 3: Cross multiply
    40,891.14x = 61,338.07 × 11,309.22
  4. Step 4: Simplify right side
    40,891.14x = 693,685,728.01
  5. Step 5: Solve for x
    x = 693,685,728.01/40,891.14
  6. Step 6: Final answer
    x = 16,964.21

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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.