Home / 35,129.35-52,690.78-11,755.99

Finding the Fourth Proportional to 35,129.35, 52,690.78 and 11,755.99

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Solution

The fourth proportional to 35,129.35, 52,690.78 and 11,755.99 is: 17,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,129.35 : 52,690.78 = 11,755.99 : x
  2. Step 2: Convert to fraction form
    35,129.35/52,690.78 = 11,755.99/x
  3. Step 3: Cross multiply
    35,129.35x = 52,690.78 × 11,755.99
  4. Step 4: Simplify right side
    35,129.35x = 619,432,282.77
  5. Step 5: Solve for x
    x = 619,432,282.77/35,129.35
  6. Step 6: Final answer
    x = 17,632.90

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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.