Home / 29,109.88-40,171.09-18,352.58

Finding the Fourth Proportional to 29,109.88, 40,171.09 and 18,352.58

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Solution

The fourth proportional to 29,109.88, 40,171.09 and 18,352.58 is: 25,326.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109.88 : 40,171.09 = 18,352.58 : x
  2. Step 2: Convert to fraction form
    29,109.88/40,171.09 = 18,352.58/x
  3. Step 3: Cross multiply
    29,109.88x = 40,171.09 × 18,352.58
  4. Step 4: Simplify right side
    29,109.88x = 737,242,930.59
  5. Step 5: Solve for x
    x = 737,242,930.59/29,109.88
  6. Step 6: Final answer
    x = 25,326.21

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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.