Home / 31,411.09-43,348.13-17,264.31

Finding the Fourth Proportional to 31,411.09, 43,348.13 and 17,264.31

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Solution

The fourth proportional to 31,411.09, 43,348.13 and 17,264.31 is: 23,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,411.09 : 43,348.13 = 17,264.31 : x
  2. Step 2: Convert to fraction form
    31,411.09/43,348.13 = 17,264.31/x
  3. Step 3: Cross multiply
    31,411.09x = 43,348.13 × 17,264.31
  4. Step 4: Simplify right side
    31,411.09x = 748,375,554.24
  5. Step 5: Solve for x
    x = 748,375,554.24/31,411.09
  6. Step 6: Final answer
    x = 23,825.20

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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.