Home / 29,315.76-43,995.24-11,786.64

Finding the Fourth Proportional to 29,315.76, 43,995.24 and 11,786.64

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Solution

The fourth proportional to 29,315.76, 43,995.24 and 11,786.64 is: 17,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,315.76 : 43,995.24 = 11,786.64 : x
  2. Step 2: Convert to fraction form
    29,315.76/43,995.24 = 11,786.64/x
  3. Step 3: Cross multiply
    29,315.76x = 43,995.24 × 11,786.64
  4. Step 4: Simplify right side
    29,315.76x = 518,556,055.59
  5. Step 5: Solve for x
    x = 518,556,055.59/29,315.76
  6. Step 6: Final answer
    x = 17,688.64

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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.