Home / 57,141.13-85,766.99-27,579.78

Finding the Fourth Proportional to 57,141.13, 85,766.99 and 27,579.78

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Solution

The fourth proportional to 57,141.13, 85,766.99 and 27,579.78 is: 41,396.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,141.13 : 85,766.99 = 27,579.78 : x
  2. Step 2: Convert to fraction form
    57,141.13/85,766.99 = 27,579.78/x
  3. Step 3: Cross multiply
    57,141.13x = 85,766.99 × 27,579.78
  4. Step 4: Simplify right side
    57,141.13x = 2,365,434,715.46
  5. Step 5: Solve for x
    x = 2,365,434,715.46/57,141.13
  6. Step 6: Final answer
    x = 41,396.36

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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.