Home / 41,214.21-61,820.66-13,133.90

Finding the Fourth Proportional to 41,214.21, 61,820.66 and 13,133.90

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Solution

The fourth proportional to 41,214.21, 61,820.66 and 13,133.90 is: 19,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,214.21 : 61,820.66 = 13,133.90 : x
  2. Step 2: Convert to fraction form
    41,214.21/61,820.66 = 13,133.90/x
  3. Step 3: Cross multiply
    41,214.21x = 61,820.66 × 13,133.90
  4. Step 4: Simplify right side
    41,214.21x = 811,945,991.60
  5. Step 5: Solve for x
    x = 811,945,991.60/41,214.21
  6. Step 6: Final answer
    x = 19,700.63

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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.