Home / 31,790.88-43,866.36-17,643.42

Finding the Fourth Proportional to 31,790.88, 43,866.36 and 17,643.42

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Solution

The fourth proportional to 31,790.88, 43,866.36 and 17,643.42 is: 24,345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,790.88 : 43,866.36 = 17,643.42 : x
  2. Step 2: Convert to fraction form
    31,790.88/43,866.36 = 17,643.42/x
  3. Step 3: Cross multiply
    31,790.88x = 43,866.36 × 17,643.42
  4. Step 4: Simplify right side
    31,790.88x = 773,952,613.35
  5. Step 5: Solve for x
    x = 773,952,613.35/31,790.88
  6. Step 6: Final answer
    x = 24,345.11

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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.