Home / 57,385.67-86,090.65-17,945.75

Finding the Fourth Proportional to 57,385.67, 86,090.65 and 17,945.75

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Solution

The fourth proportional to 57,385.67, 86,090.65 and 17,945.75 is: 26,922.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,385.67 : 86,090.65 = 17,945.75 : x
  2. Step 2: Convert to fraction form
    57,385.67/86,090.65 = 17,945.75/x
  3. Step 3: Cross multiply
    57,385.67x = 86,090.65 × 17,945.75
  4. Step 4: Simplify right side
    57,385.67x = 1,544,961,452.60
  5. Step 5: Solve for x
    x = 1,544,961,452.60/57,385.67
  6. Step 6: Final answer
    x = 26,922.43

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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.