Home / 52,122.72-71,929.11-28,249.41

Finding the Fourth Proportional to 52,122.72, 71,929.11 and 28,249.41

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Solution

The fourth proportional to 52,122.72, 71,929.11 and 28,249.41 is: 38,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,122.72 : 71,929.11 = 28,249.41 : x
  2. Step 2: Convert to fraction form
    52,122.72/71,929.11 = 28,249.41/x
  3. Step 3: Cross multiply
    52,122.72x = 71,929.11 × 28,249.41
  4. Step 4: Simplify right side
    52,122.72x = 2,031,954,919.33
  5. Step 5: Solve for x
    x = 2,031,954,919.33/52,122.72
  6. Step 6: Final answer
    x = 38,984.05

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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.