Home / 31,253.19-43,129.38-17,106.03

Finding the Fourth Proportional to 31,253.19, 43,129.38 and 17,106.03

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Solution

The fourth proportional to 31,253.19, 43,129.38 and 17,106.03 is: 23,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,253.19 : 43,129.38 = 17,106.03 : x
  2. Step 2: Convert to fraction form
    31,253.19/43,129.38 = 17,106.03/x
  3. Step 3: Cross multiply
    31,253.19x = 43,129.38 × 17,106.03
  4. Step 4: Simplify right side
    31,253.19x = 737,772,468.16
  5. Step 5: Solve for x
    x = 737,772,468.16/31,253.19
  6. Step 6: Final answer
    x = 23,606.31

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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.