Home / 30,170.34-45,249.57-15,173.37

Finding the Fourth Proportional to 30,170.34, 45,249.57 and 15,173.37

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Solution

The fourth proportional to 30,170.34, 45,249.57 and 15,173.37 is: 22,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,170.34 : 45,249.57 = 15,173.37 : x
  2. Step 2: Convert to fraction form
    30,170.34/45,249.57 = 15,173.37/x
  3. Step 3: Cross multiply
    30,170.34x = 45,249.57 × 15,173.37
  4. Step 4: Simplify right side
    30,170.34x = 686,588,467.95
  5. Step 5: Solve for x
    x = 686,588,467.95/30,170.34
  6. Step 6: Final answer
    x = 22,757.07

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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.