Home / 31,304.41-43,202.12-17,157.24

Finding the Fourth Proportional to 31,304.41, 43,202.12 and 17,157.24

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Solution

The fourth proportional to 31,304.41, 43,202.12 and 17,157.24 is: 23,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304.41 : 43,202.12 = 17,157.24 : x
  2. Step 2: Convert to fraction form
    31,304.41/43,202.12 = 17,157.24/x
  3. Step 3: Cross multiply
    31,304.41x = 43,202.12 × 17,157.24
  4. Step 4: Simplify right side
    31,304.41x = 741,229,055.56
  5. Step 5: Solve for x
    x = 741,229,055.56/31,304.41
  6. Step 6: Final answer
    x = 23,678.11

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1.5x scale

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.