Home / 30,125.35-45,200.41-13,249.68

Finding the Fourth Proportional to 30,125.35, 45,200.41 and 13,249.68

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Solution

The fourth proportional to 30,125.35, 45,200.41 and 13,249.68 is: 19,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,125.35 : 45,200.41 = 13,249.68 : x
  2. Step 2: Convert to fraction form
    30,125.35/45,200.41 = 13,249.68/x
  3. Step 3: Cross multiply
    30,125.35x = 45,200.41 × 13,249.68
  4. Step 4: Simplify right side
    30,125.35x = 598,890,840.27
  5. Step 5: Solve for x
    x = 598,890,840.27/30,125.35
  6. Step 6: Final answer
    x = 19,879.96

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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.