Home / 57,500.24-86,308.44-40,879.04

Finding the Fourth Proportional to 57,500.24, 86,308.44 and 40,879.04

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Solution

The fourth proportional to 57,500.24, 86,308.44 and 40,879.04 is: 61,359.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,500.24 : 86,308.44 = 40,879.04 : x
  2. Step 2: Convert to fraction form
    57,500.24/86,308.44 = 40,879.04/x
  3. Step 3: Cross multiply
    57,500.24x = 86,308.44 × 40,879.04
  4. Step 4: Simplify right side
    57,500.24x = 3,528,206,171.10
  5. Step 5: Solve for x
    x = 3,528,206,171.10/57,500.24
  6. Step 6: Final answer
    x = 61,359.85

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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.