Home / 52,115.28-71,919.32-28,241.99

Finding the Fourth Proportional to 52,115.28, 71,919.32 and 28,241.99

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Solution

The fourth proportional to 52,115.28, 71,919.32 and 28,241.99 is: 38,974.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,115.28 : 71,919.32 = 28,241.99 : x
  2. Step 2: Convert to fraction form
    52,115.28/71,919.32 = 28,241.99/x
  3. Step 3: Cross multiply
    52,115.28x = 71,919.32 × 28,241.99
  4. Step 4: Simplify right side
    52,115.28x = 2,031,144,716.25
  5. Step 5: Solve for x
    x = 2,031,144,716.25/52,115.28
  6. Step 6: Final answer
    x = 38,974.07

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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.