Home / 57,733.60-86,603.10-18,293.80

Finding the Fourth Proportional to 57,733.60, 86,603.10 and 18,293.80

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Solution

The fourth proportional to 57,733.60, 86,603.10 and 18,293.80 is: 27,441.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,733.60 : 86,603.10 = 18,293.80 : x
  2. Step 2: Convert to fraction form
    57,733.60/86,603.10 = 18,293.80/x
  3. Step 3: Cross multiply
    57,733.60x = 86,603.10 × 18,293.80
  4. Step 4: Simplify right side
    57,733.60x = 1,584,299,790.78
  5. Step 5: Solve for x
    x = 1,584,299,790.78/57,733.60
  6. Step 6: Final answer
    x = 27,441.56

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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.