Home / 31,267.64-43,149.36-17,120.48

Finding the Fourth Proportional to 31,267.64, 43,149.36 and 17,120.48

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Solution

The fourth proportional to 31,267.64, 43,149.36 and 17,120.48 is: 23,626.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,267.64 : 43,149.36 = 17,120.48 : x
  2. Step 2: Convert to fraction form
    31,267.64/43,149.36 = 17,120.48/x
  3. Step 3: Cross multiply
    31,267.64x = 43,149.36 × 17,120.48
  4. Step 4: Simplify right side
    31,267.64x = 738,737,754.89
  5. Step 5: Solve for x
    x = 738,737,754.89/31,267.64
  6. Step 6: Final answer
    x = 23,626.27

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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.