Home / 43,988.62-65,922.72-18,666.94

Finding the Fourth Proportional to 43,988.62, 65,922.72 and 18,666.94

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Solution

The fourth proportional to 43,988.62, 65,922.72 and 18,666.94 is: 27,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,988.62 : 65,922.72 = 18,666.94 : x
  2. Step 2: Convert to fraction form
    43,988.62/65,922.72 = 18,666.94/x
  3. Step 3: Cross multiply
    43,988.62x = 65,922.72 × 18,666.94
  4. Step 4: Simplify right side
    43,988.62x = 1,230,575,458.88
  5. Step 5: Solve for x
    x = 1,230,575,458.88/43,988.62
  6. Step 6: Final answer
    x = 27,974.86

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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.