Home / 35,121.50-52,690.78-11,748.56

Finding the Fourth Proportional to 35,121.50, 52,690.78 and 11,748.56

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Solution

The fourth proportional to 35,121.50, 52,690.78 and 11,748.56 is: 17,625.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,121.50 : 52,690.78 = 11,748.56 : x
  2. Step 2: Convert to fraction form
    35,121.50/52,690.78 = 11,748.56/x
  3. Step 3: Cross multiply
    35,121.50x = 52,690.78 × 11,748.56
  4. Step 4: Simplify right side
    35,121.50x = 619,040,790.28
  5. Step 5: Solve for x
    x = 619,040,790.28/35,121.50
  6. Step 6: Final answer
    x = 17,625.69

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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.