Home / 57,003.75-85,506.84-19,563.66

Finding the Fourth Proportional to 57,003.75, 85,506.84 and 19,563.66

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Solution

The fourth proportional to 57,003.75, 85,506.84 and 19,563.66 is: 29,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,003.75 : 85,506.84 = 19,563.66 : x
  2. Step 2: Convert to fraction form
    57,003.75/85,506.84 = 19,563.66/x
  3. Step 3: Cross multiply
    57,003.75x = 85,506.84 × 19,563.66
  4. Step 4: Simplify right side
    57,003.75x = 1,672,826,745.43
  5. Step 5: Solve for x
    x = 1,672,826,745.43/57,003.75
  6. Step 6: Final answer
    x = 29,345.91

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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.