Home / 43,963.33-65,942.26-18,985.87

Finding the Fourth Proportional to 43,963.33, 65,942.26 and 18,985.87

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Solution

The fourth proportional to 43,963.33, 65,942.26 and 18,985.87 is: 28,477.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,963.33 : 65,942.26 = 18,985.87 : x
  2. Step 2: Convert to fraction form
    43,963.33/65,942.26 = 18,985.87/x
  3. Step 3: Cross multiply
    43,963.33x = 65,942.26 × 18,985.87
  4. Step 4: Simplify right side
    43,963.33x = 1,251,971,175.87
  5. Step 5: Solve for x
    x = 1,251,971,175.87/43,963.33
  6. Step 6: Final answer
    x = 28,477.62

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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.