Home / 57,699.09-86,537.70-18,252.90

Finding the Fourth Proportional to 57,699.09, 86,537.70 and 18,252.90

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Solution

The fourth proportional to 57,699.09, 86,537.70 and 18,252.90 is: 27,375.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,699.09 : 86,537.70 = 18,252.90 : x
  2. Step 2: Convert to fraction form
    57,699.09/86,537.70 = 18,252.90/x
  3. Step 3: Cross multiply
    57,699.09x = 86,537.70 × 18,252.90
  4. Step 4: Simplify right side
    57,699.09x = 1,579,563,984.33
  5. Step 5: Solve for x
    x = 1,579,563,984.33/57,699.09
  6. Step 6: Final answer
    x = 27,375.89

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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.