Home / 31,211.97-46,822.59-11,489.10

Finding the Fourth Proportional to 31,211.97, 46,822.59 and 11,489.10

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Solution

The fourth proportional to 31,211.97, 46,822.59 and 11,489.10 is: 17,235.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,211.97 : 46,822.59 = 11,489.10 : x
  2. Step 2: Convert to fraction form
    31,211.97/46,822.59 = 11,489.10/x
  3. Step 3: Cross multiply
    31,211.97x = 46,822.59 × 11,489.10
  4. Step 4: Simplify right side
    31,211.97x = 537,949,418.77
  5. Step 5: Solve for x
    x = 537,949,418.77/31,211.97
  6. Step 6: Final answer
    x = 17,235.36

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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.