Home / 31,633.06-43,653.21-17,485.66

Finding the Fourth Proportional to 31,633.06, 43,653.21 and 17,485.66

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Solution

The fourth proportional to 31,633.06, 43,653.21 and 17,485.66 is: 24,129.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,633.06 : 43,653.21 = 17,485.66 : x
  2. Step 2: Convert to fraction form
    31,633.06/43,653.21 = 17,485.66/x
  3. Step 3: Cross multiply
    31,633.06x = 43,653.21 × 17,485.66
  4. Step 4: Simplify right side
    31,633.06x = 763,305,187.97
  5. Step 5: Solve for x
    x = 763,305,187.97/31,633.06
  6. Step 6: Final answer
    x = 24,129.98

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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.