Home / 31,267.84-43,150.09-17,122.00

Finding the Fourth Proportional to 31,267.84, 43,150.09 and 17,122.00

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Solution

The fourth proportional to 31,267.84, 43,150.09 and 17,122.00 is: 23,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,267.84 : 43,150.09 = 17,122.00 : x
  2. Step 2: Convert to fraction form
    31,267.84/43,150.09 = 17,122.00/x
  3. Step 3: Cross multiply
    31,267.84x = 43,150.09 × 17,122.00
  4. Step 4: Simplify right side
    31,267.84x = 738,815,625.23
  5. Step 5: Solve for x
    x = 738,815,625.23/31,267.84
  6. Step 6: Final answer
    x = 23,628.61

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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.