Home / 57,121.34-85,731.21-27,564.03

Finding the Fourth Proportional to 57,121.34, 85,731.21 and 27,564.03

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Solution

The fourth proportional to 57,121.34, 85,731.21 and 27,564.03 is: 41,369.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,121.34 : 85,731.21 = 27,564.03 : x
  2. Step 2: Convert to fraction form
    57,121.34/85,731.21 = 27,564.03/x
  3. Step 3: Cross multiply
    57,121.34x = 85,731.21 × 27,564.03
  4. Step 4: Simplify right side
    57,121.34x = 2,363,097,644.38
  5. Step 5: Solve for x
    x = 2,363,097,644.38/57,121.34
  6. Step 6: Final answer
    x = 41,369.79

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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.