Home / 31,526.97-43,507.44-17,379.78

Finding the Fourth Proportional to 31,526.97, 43,507.44 and 17,379.78

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Solution

The fourth proportional to 31,526.97, 43,507.44 and 17,379.78 is: 23,984.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,526.97 : 43,507.44 = 17,379.78 : x
  2. Step 2: Convert to fraction form
    31,526.97/43,507.44 = 17,379.78/x
  3. Step 3: Cross multiply
    31,526.97x = 43,507.44 × 17,379.78
  4. Step 4: Simplify right side
    31,526.97x = 756,149,735.56
  5. Step 5: Solve for x
    x = 756,149,735.56/31,526.97
  6. Step 6: Final answer
    x = 23,984.22

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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.