Home / 31,174.80-43,021.12-17,027.64

Finding the Fourth Proportional to 31,174.80, 43,021.12 and 17,027.64

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Solution

The fourth proportional to 31,174.80, 43,021.12 and 17,027.64 is: 23,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,174.80 : 43,021.12 = 17,027.64 : x
  2. Step 2: Convert to fraction form
    31,174.80/43,021.12 = 17,027.64/x
  3. Step 3: Cross multiply
    31,174.80x = 43,021.12 × 17,027.64
  4. Step 4: Simplify right side
    31,174.80x = 732,548,143.76
  5. Step 5: Solve for x
    x = 732,548,143.76/31,174.80
  6. Step 6: Final answer
    x = 23,498.09

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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.