Home / 31,291.32-46,955.10-11,583.72

Finding the Fourth Proportional to 31,291.32, 46,955.10 and 11,583.72

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Solution

The fourth proportional to 31,291.32, 46,955.10 and 11,583.72 is: 17,382.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,291.32 : 46,955.10 = 11,583.72 : x
  2. Step 2: Convert to fraction form
    31,291.32/46,955.10 = 11,583.72/x
  3. Step 3: Cross multiply
    31,291.32x = 46,955.10 × 11,583.72
  4. Step 4: Simplify right side
    31,291.32x = 543,914,730.97
  5. Step 5: Solve for x
    x = 543,914,730.97/31,291.32
  6. Step 6: Final answer
    x = 17,382.29

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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.