Home / 31,537.82-43,519.96-17,390.36

Finding the Fourth Proportional to 31,537.82, 43,519.96 and 17,390.36

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Solution

The fourth proportional to 31,537.82, 43,519.96 and 17,390.36 is: 23,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.82 : 43,519.96 = 17,390.36 : x
  2. Step 2: Convert to fraction form
    31,537.82/43,519.96 = 17,390.36/x
  3. Step 3: Cross multiply
    31,537.82x = 43,519.96 × 17,390.36
  4. Step 4: Simplify right side
    31,537.82x = 756,827,771.59
  5. Step 5: Solve for x
    x = 756,827,771.59/31,537.82
  6. Step 6: Final answer
    x = 23,997.47

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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.