Home / 57,284.73-85,920.69-17,838.54

Finding the Fourth Proportional to 57,284.73, 85,920.69 and 17,838.54

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Solution

The fourth proportional to 57,284.73, 85,920.69 and 17,838.54 is: 26,755.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,284.73 : 85,920.69 = 17,838.54 : x
  2. Step 2: Convert to fraction form
    57,284.73/85,920.69 = 17,838.54/x
  3. Step 3: Cross multiply
    57,284.73x = 85,920.69 × 17,838.54
  4. Step 4: Simplify right side
    57,284.73x = 1,532,699,665.39
  5. Step 5: Solve for x
    x = 1,532,699,665.39/57,284.73
  6. Step 6: Final answer
    x = 26,755.82

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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.