Home / 31,658.58-43,689.99-17,511.53

Finding the Fourth Proportional to 31,658.58, 43,689.99 and 17,511.53

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Solution

The fourth proportional to 31,658.58, 43,689.99 and 17,511.53 is: 24,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,658.58 : 43,689.99 = 17,511.53 : x
  2. Step 2: Convert to fraction form
    31,658.58/43,689.99 = 17,511.53/x
  3. Step 3: Cross multiply
    31,658.58x = 43,689.99 × 17,511.53
  4. Step 4: Simplify right side
    31,658.58x = 765,078,570.58
  5. Step 5: Solve for x
    x = 765,078,570.58/31,658.58
  6. Step 6: Final answer
    x = 24,166.55

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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.