Home / 38,090.17-57,172.11-18,382.60

Finding the Fourth Proportional to 38,090.17, 57,172.11 and 18,382.60

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Solution

The fourth proportional to 38,090.17, 57,172.11 and 18,382.60 is: 27,591.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,090.17 : 57,172.11 = 18,382.60 : x
  2. Step 2: Convert to fraction form
    38,090.17/57,172.11 = 18,382.60/x
  3. Step 3: Cross multiply
    38,090.17x = 57,172.11 × 18,382.60
  4. Step 4: Simplify right side
    38,090.17x = 1,050,972,029.29
  5. Step 5: Solve for x
    x = 1,050,972,029.29/38,090.17
  6. Step 6: Final answer
    x = 27,591.69

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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.