Home / 57,837.28-86,731.44-18,383.80

Finding the Fourth Proportional to 57,837.28, 86,731.44 and 18,383.80

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Solution

The fourth proportional to 57,837.28, 86,731.44 and 18,383.80 is: 27,567.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,837.28 : 86,731.44 = 18,383.80 : x
  2. Step 2: Convert to fraction form
    57,837.28/86,731.44 = 18,383.80/x
  3. Step 3: Cross multiply
    57,837.28x = 86,731.44 × 18,383.80
  4. Step 4: Simplify right side
    57,837.28x = 1,594,453,446.67
  5. Step 5: Solve for x
    x = 1,594,453,446.67/57,837.28
  6. Step 6: Final answer
    x = 27,567.92

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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.