Home / 43,286.39-64,936.41-18,326.58

Finding the Fourth Proportional to 43,286.39, 64,936.41 and 18,326.58

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Solution

The fourth proportional to 43,286.39, 64,936.41 and 18,326.58 is: 27,492.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,286.39 : 64,936.41 = 18,326.58 : x
  2. Step 2: Convert to fraction form
    43,286.39/64,936.41 = 18,326.58/x
  3. Step 3: Cross multiply
    43,286.39x = 64,936.41 × 18,326.58
  4. Step 4: Simplify right side
    43,286.39x = 1,190,062,312.78
  5. Step 5: Solve for x
    x = 1,190,062,312.78/43,286.39
  6. Step 6: Final answer
    x = 27,492.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.