Home / 31,211.42-46,821.79-11,488.48

Finding the Fourth Proportional to 31,211.42, 46,821.79 and 11,488.48

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Solution

The fourth proportional to 31,211.42, 46,821.79 and 11,488.48 is: 17,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,211.42 : 46,821.79 = 11,488.48 : x
  2. Step 2: Convert to fraction form
    31,211.42/46,821.79 = 11,488.48/x
  3. Step 3: Cross multiply
    31,211.42x = 46,821.79 × 11,488.48
  4. Step 4: Simplify right side
    31,211.42x = 537,911,022.40
  5. Step 5: Solve for x
    x = 537,911,022.40/31,211.42
  6. Step 6: Final answer
    x = 17,234.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.