Home / 29,316.57-43,987.14-12,668.04

Finding the Fourth Proportional to 29,316.57, 43,987.14 and 12,668.04

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Solution

The fourth proportional to 29,316.57, 43,987.14 and 12,668.04 is: 19,007.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,316.57 : 43,987.14 = 12,668.04 : x
  2. Step 2: Convert to fraction form
    29,316.57/43,987.14 = 12,668.04/x
  3. Step 3: Cross multiply
    29,316.57x = 43,987.14 × 12,668.04
  4. Step 4: Simplify right side
    29,316.57x = 557,230,849.01
  5. Step 5: Solve for x
    x = 557,230,849.01/29,316.57
  6. Step 6: Final answer
    x = 19,007.37

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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.