Home / 30,601.92-42,231.41-17,174.24

Finding the Fourth Proportional to 30,601.92, 42,231.41 and 17,174.24

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Solution

The fourth proportional to 30,601.92, 42,231.41 and 17,174.24 is: 23,700.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601.92 : 42,231.41 = 17,174.24 : x
  2. Step 2: Convert to fraction form
    30,601.92/42,231.41 = 17,174.24/x
  3. Step 3: Cross multiply
    30,601.92x = 42,231.41 × 17,174.24
  4. Step 4: Simplify right side
    30,601.92x = 725,292,370.88
  5. Step 5: Solve for x
    x = 725,292,370.88/30,601.92
  6. Step 6: Final answer
    x = 23,700.88

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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.