Home / 29,129.77-43,666.97-18,570.15

Finding the Fourth Proportional to 29,129.77, 43,666.97 and 18,570.15

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Solution

The fourth proportional to 29,129.77, 43,666.97 and 18,570.15 is: 27,837.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129.77 : 43,666.97 = 18,570.15 : x
  2. Step 2: Convert to fraction form
    29,129.77/43,666.97 = 18,570.15/x
  3. Step 3: Cross multiply
    29,129.77x = 43,666.97 × 18,570.15
  4. Step 4: Simplify right side
    29,129.77x = 810,902,358.30
  5. Step 5: Solve for x
    x = 810,902,358.30/29,129.77
  6. Step 6: Final answer
    x = 27,837.58

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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.