Home / 29,023.14-43,447.23-19,131.42

Finding the Fourth Proportional to 29,023.14, 43,447.23 and 19,131.42

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Solution

The fourth proportional to 29,023.14, 43,447.23 and 19,131.42 is: 28,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,023.14 : 43,447.23 = 19,131.42 : x
  2. Step 2: Convert to fraction form
    29,023.14/43,447.23 = 19,131.42/x
  3. Step 3: Cross multiply
    29,023.14x = 43,447.23 × 19,131.42
  4. Step 4: Simplify right side
    29,023.14x = 831,207,204.97
  5. Step 5: Solve for x
    x = 831,207,204.97/29,023.14
  6. Step 6: Final answer
    x = 28,639.47

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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.