Home / 57,025.30-85,513.48-19,589.14

Finding the Fourth Proportional to 57,025.30, 85,513.48 and 19,589.14

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Solution

The fourth proportional to 57,025.30, 85,513.48 and 19,589.14 is: 29,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,025.30 : 85,513.48 = 19,589.14 : x
  2. Step 2: Convert to fraction form
    57,025.30/85,513.48 = 19,589.14/x
  3. Step 3: Cross multiply
    57,025.30x = 85,513.48 × 19,589.14
  4. Step 4: Simplify right side
    57,025.30x = 1,675,135,531.61
  5. Step 5: Solve for x
    x = 1,675,135,531.61/57,025.30
  6. Step 6: Final answer
    x = 29,375.30

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1.5x scale

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.