Home / 30,240.35-45,361.16-11,005.44

Finding the Fourth Proportional to 30,240.35, 45,361.16 and 11,005.44

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Solution

The fourth proportional to 30,240.35, 45,361.16 and 11,005.44 is: 16,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240.35 : 45,361.16 = 11,005.44 : x
  2. Step 2: Convert to fraction form
    30,240.35/45,361.16 = 11,005.44/x
  3. Step 3: Cross multiply
    30,240.35x = 45,361.16 × 11,005.44
  4. Step 4: Simplify right side
    30,240.35x = 499,219,469.68
  5. Step 5: Solve for x
    x = 499,219,469.68/30,240.35
  6. Step 6: Final answer
    x = 16,508.39

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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.