Home / 30,288.24-41,791-17,707.12

Finding the Fourth Proportional to 30,288.24, 41,791 and 17,707.12

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Solution

The fourth proportional to 30,288.24, 41,791 and 17,707.12 is: 24,431.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.24 : 41,791 = 17,707.12 : x
  2. Step 2: Convert to fraction form
    30,288.24/41,791 = 17,707.12/x
  3. Step 3: Cross multiply
    30,288.24x = 41,791 × 17,707.12
  4. Step 4: Simplify right side
    30,288.24x = 739,998,251.92
  5. Step 5: Solve for x
    x = 739,998,251.92/30,288.24
  6. Step 6: Final answer
    x = 24,431.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.