Home / 31,811.36-43,899.44-17,664.18

Finding the Fourth Proportional to 31,811.36, 43,899.44 and 17,664.18

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Solution

The fourth proportional to 31,811.36, 43,899.44 and 17,664.18 is: 24,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,811.36 : 43,899.44 = 17,664.18 : x
  2. Step 2: Convert to fraction form
    31,811.36/43,899.44 = 17,664.18/x
  3. Step 3: Cross multiply
    31,811.36x = 43,899.44 × 17,664.18
  4. Step 4: Simplify right side
    31,811.36x = 775,447,610.06
  5. Step 5: Solve for x
    x = 775,447,610.06/31,811.36
  6. Step 6: Final answer
    x = 24,376.44

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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.