Home / 35,135.20-52,709.28-11,125.56

Finding the Fourth Proportional to 35,135.20, 52,709.28 and 11,125.56

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Solution

The fourth proportional to 35,135.20, 52,709.28 and 11,125.56 is: 16,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,135.20 : 52,709.28 = 11,125.56 : x
  2. Step 2: Convert to fraction form
    35,135.20/52,709.28 = 11,125.56/x
  3. Step 3: Cross multiply
    35,135.20x = 52,709.28 × 11,125.56
  4. Step 4: Simplify right side
    35,135.20x = 586,420,257.20
  5. Step 5: Solve for x
    x = 586,420,257.20/35,135.20
  6. Step 6: Final answer
    x = 16,690.39

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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.