Home / 57,124-85,741.40-27,562.60

Finding the Fourth Proportional to 57,124, 85,741.40 and 27,562.60

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Solution

The fourth proportional to 57,124, 85,741.40 and 27,562.60 is: 41,370.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,124 : 85,741.40 = 27,562.60 : x
  2. Step 2: Convert to fraction form
    57,124/85,741.40 = 27,562.60/x
  3. Step 3: Cross multiply
    57,124x = 85,741.40 × 27,562.60
  4. Step 4: Simplify right side
    57,124x = 2,363,255,911.64
  5. Step 5: Solve for x
    x = 2,363,255,911.64/57,124
  6. Step 6: Final answer
    x = 41,370.63

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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.