Home / 30,249.52-41,745.24-18,315.04

Finding the Fourth Proportional to 30,249.52, 41,745.24 and 18,315.04

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Solution

The fourth proportional to 30,249.52, 41,745.24 and 18,315.04 is: 25,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249.52 : 41,745.24 = 18,315.04 : x
  2. Step 2: Convert to fraction form
    30,249.52/41,745.24 = 18,315.04/x
  3. Step 3: Cross multiply
    30,249.52x = 41,745.24 × 18,315.04
  4. Step 4: Simplify right side
    30,249.52x = 764,565,740.41
  5. Step 5: Solve for x
    x = 764,565,740.41/30,249.52
  6. Step 6: Final answer
    x = 25,275.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.