Home / 31,625.12-43,640.04-17,477.96

Finding the Fourth Proportional to 31,625.12, 43,640.04 and 17,477.96

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Solution

The fourth proportional to 31,625.12, 43,640.04 and 17,477.96 is: 24,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625.12 : 43,640.04 = 17,477.96 : x
  2. Step 2: Convert to fraction form
    31,625.12/43,640.04 = 17,477.96/x
  3. Step 3: Cross multiply
    31,625.12x = 43,640.04 × 17,477.96
  4. Step 4: Simplify right side
    31,625.12x = 762,738,873.52
  5. Step 5: Solve for x
    x = 762,738,873.52/31,625.12
  6. Step 6: Final answer
    x = 24,118.13

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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.