Home / 43,144.51-64,689.96-18,171.70

Finding the Fourth Proportional to 43,144.51, 64,689.96 and 18,171.70

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Solution

The fourth proportional to 43,144.51, 64,689.96 and 18,171.70 is: 27,246.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,144.51 : 64,689.96 = 18,171.70 : x
  2. Step 2: Convert to fraction form
    43,144.51/64,689.96 = 18,171.70/x
  3. Step 3: Cross multiply
    43,144.51x = 64,689.96 × 18,171.70
  4. Step 4: Simplify right side
    43,144.51x = 1,175,526,546.13
  5. Step 5: Solve for x
    x = 1,175,526,546.13/43,144.51
  6. Step 6: Final answer
    x = 27,246.26

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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.