Home / 41,266.45-61,890.05-13,189.01

Finding the Fourth Proportional to 41,266.45, 61,890.05 and 13,189.01

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Solution

The fourth proportional to 41,266.45, 61,890.05 and 13,189.01 is: 19,780.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,266.45 : 61,890.05 = 13,189.01 : x
  2. Step 2: Convert to fraction form
    41,266.45/61,890.05 = 13,189.01/x
  3. Step 3: Cross multiply
    41,266.45x = 61,890.05 × 13,189.01
  4. Step 4: Simplify right side
    41,266.45x = 816,268,488.35
  5. Step 5: Solve for x
    x = 816,268,488.35/41,266.45
  6. Step 6: Final answer
    x = 19,780.44

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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.