Home / 41,213.68-61,819.84-13,133.36

Finding the Fourth Proportional to 41,213.68, 61,819.84 and 13,133.36

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Solution

The fourth proportional to 41,213.68, 61,819.84 and 13,133.36 is: 19,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,213.68 : 61,819.84 = 13,133.36 : x
  2. Step 2: Convert to fraction form
    41,213.68/61,819.84 = 13,133.36/x
  3. Step 3: Cross multiply
    41,213.68x = 61,819.84 × 13,133.36
  4. Step 4: Simplify right side
    41,213.68x = 811,902,037.09
  5. Step 5: Solve for x
    x = 811,902,037.09/41,213.68
  6. Step 6: Final answer
    x = 19,699.82

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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.