Home / 41,421.90-62,131.80-13,343.88

Finding the Fourth Proportional to 41,421.90, 62,131.80 and 13,343.88

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Solution

The fourth proportional to 41,421.90, 62,131.80 and 13,343.88 is: 20,015.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,421.90 : 62,131.80 = 13,343.88 : x
  2. Step 2: Convert to fraction form
    41,421.90/62,131.80 = 13,343.88/x
  3. Step 3: Cross multiply
    41,421.90x = 62,131.80 × 13,343.88
  4. Step 4: Simplify right side
    41,421.90x = 829,079,283.38
  5. Step 5: Solve for x
    x = 829,079,283.38/41,421.90
  6. Step 6: Final answer
    x = 20,015.48

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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.