Home / 29,019.72-43,471.26-15,139.56

Finding the Fourth Proportional to 29,019.72, 43,471.26 and 15,139.56

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Solution

The fourth proportional to 29,019.72, 43,471.26 and 15,139.56 is: 22,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,019.72 : 43,471.26 = 15,139.56 : x
  2. Step 2: Convert to fraction form
    29,019.72/43,471.26 = 15,139.56/x
  3. Step 3: Cross multiply
    29,019.72x = 43,471.26 × 15,139.56
  4. Step 4: Simplify right side
    29,019.72x = 658,135,895.57
  5. Step 5: Solve for x
    x = 658,135,895.57/29,019.72
  6. Step 6: Final answer
    x = 22,678.92

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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.