Home / 41,988.87-62,986.64-13,907.79

Finding the Fourth Proportional to 41,988.87, 62,986.64 and 13,907.79

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Solution

The fourth proportional to 41,988.87, 62,986.64 and 13,907.79 is: 20,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,988.87 : 62,986.64 = 13,907.79 : x
  2. Step 2: Convert to fraction form
    41,988.87/62,986.64 = 13,907.79/x
  3. Step 3: Cross multiply
    41,988.87x = 62,986.64 × 13,907.79
  4. Step 4: Simplify right side
    41,988.87x = 876,004,892.39
  5. Step 5: Solve for x
    x = 876,004,892.39/41,988.87
  6. Step 6: Final answer
    x = 20,862.79

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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.