Home / 45,493.44-68,240.08-20,542.24

Finding the Fourth Proportional to 45,493.44, 68,240.08 and 20,542.24

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Solution

The fourth proportional to 45,493.44, 68,240.08 and 20,542.24 is: 30,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,493.44 : 68,240.08 = 20,542.24 : x
  2. Step 2: Convert to fraction form
    45,493.44/68,240.08 = 20,542.24/x
  3. Step 3: Cross multiply
    45,493.44x = 68,240.08 × 20,542.24
  4. Step 4: Simplify right side
    45,493.44x = 1,401,804,100.98
  5. Step 5: Solve for x
    x = 1,401,804,100.98/45,493.44
  6. Step 6: Final answer
    x = 30,813.32

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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.