Home / 31,486.25-43,451.03-17,339.06

Finding the Fourth Proportional to 31,486.25, 43,451.03 and 17,339.06

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Solution

The fourth proportional to 31,486.25, 43,451.03 and 17,339.06 is: 23,927.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,486.25 : 43,451.03 = 17,339.06 : x
  2. Step 2: Convert to fraction form
    31,486.25/43,451.03 = 17,339.06/x
  3. Step 3: Cross multiply
    31,486.25x = 43,451.03 × 17,339.06
  4. Step 4: Simplify right side
    31,486.25x = 753,400,016.23
  5. Step 5: Solve for x
    x = 753,400,016.23/31,486.25
  6. Step 6: Final answer
    x = 23,927.91

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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.