Home / 31,761.04-43,830.16-17,616

Finding the Fourth Proportional to 31,761.04, 43,830.16 and 17,616

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Solution

The fourth proportional to 31,761.04, 43,830.16 and 17,616 is: 24,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,761.04 : 43,830.16 = 17,616 : x
  2. Step 2: Convert to fraction form
    31,761.04/43,830.16 = 17,616/x
  3. Step 3: Cross multiply
    31,761.04x = 43,830.16 × 17,616
  4. Step 4: Simplify right side
    31,761.04x = 772,112,098.56
  5. Step 5: Solve for x
    x = 772,112,098.56/31,761.04
  6. Step 6: Final answer
    x = 24,310.04

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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.