Home / 57,745.14-86,612.13-39,144.75

Finding the Fourth Proportional to 57,745.14, 86,612.13 and 39,144.75

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Solution

The fourth proportional to 57,745.14, 86,612.13 and 39,144.75 is: 58,713.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,745.14 : 86,612.13 = 39,144.75 : x
  2. Step 2: Convert to fraction form
    57,745.14/86,612.13 = 39,144.75/x
  3. Step 3: Cross multiply
    57,745.14x = 86,612.13 × 39,144.75
  4. Step 4: Simplify right side
    57,745.14x = 3,390,410,175.82
  5. Step 5: Solve for x
    x = 3,390,410,175.82/57,745.14
  6. Step 6: Final answer
    x = 58,713.34

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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.