Home / 57,219.24-85,809.42-29,128.44

Finding the Fourth Proportional to 57,219.24, 85,809.42 and 29,128.44

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Solution

The fourth proportional to 57,219.24, 85,809.42 and 29,128.44 is: 43,682.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,219.24 : 85,809.42 = 29,128.44 : x
  2. Step 2: Convert to fraction form
    57,219.24/85,809.42 = 29,128.44/x
  3. Step 3: Cross multiply
    57,219.24x = 85,809.42 × 29,128.44
  4. Step 4: Simplify right side
    57,219.24x = 2,499,494,541.90
  5. Step 5: Solve for x
    x = 2,499,494,541.90/57,219.24
  6. Step 6: Final answer
    x = 43,682.76

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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.