Home / 29,781.21-41,090.40-17,836.05

Finding the Fourth Proportional to 29,781.21, 41,090.40 and 17,836.05

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Solution

The fourth proportional to 29,781.21, 41,090.40 and 17,836.05 is: 24,609.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,781.21 : 41,090.40 = 17,836.05 : x
  2. Step 2: Convert to fraction form
    29,781.21/41,090.40 = 17,836.05/x
  3. Step 3: Cross multiply
    29,781.21x = 41,090.40 × 17,836.05
  4. Step 4: Simplify right side
    29,781.21x = 732,890,428.92
  5. Step 5: Solve for x
    x = 732,890,428.92/29,781.21
  6. Step 6: Final answer
    x = 24,609.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.