Home / 31,262.52-43,141.77-17,115.06

Finding the Fourth Proportional to 31,262.52, 43,141.77 and 17,115.06

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Solution

The fourth proportional to 31,262.52, 43,141.77 and 17,115.06 is: 23,618.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262.52 : 43,141.77 = 17,115.06 : x
  2. Step 2: Convert to fraction form
    31,262.52/43,141.77 = 17,115.06/x
  3. Step 3: Cross multiply
    31,262.52x = 43,141.77 × 17,115.06
  4. Step 4: Simplify right side
    31,262.52x = 738,373,982.06
  5. Step 5: Solve for x
    x = 738,373,982.06/31,262.52
  6. Step 6: Final answer
    x = 23,618.50

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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.