Home / 31,163.88-43,005.90-17,016.72

Finding the Fourth Proportional to 31,163.88, 43,005.90 and 17,016.72

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Solution

The fourth proportional to 31,163.88, 43,005.90 and 17,016.72 is: 23,482.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,163.88 : 43,005.90 = 17,016.72 : x
  2. Step 2: Convert to fraction form
    31,163.88/43,005.90 = 17,016.72/x
  3. Step 3: Cross multiply
    31,163.88x = 43,005.90 × 17,016.72
  4. Step 4: Simplify right side
    31,163.88x = 731,819,358.65
  5. Step 5: Solve for x
    x = 731,819,358.65/31,163.88
  6. Step 6: Final answer
    x = 23,482.93

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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.