Home / 35,129.40-52,696.86-11,755.92

Finding the Fourth Proportional to 35,129.40, 52,696.86 and 11,755.92

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Solution

The fourth proportional to 35,129.40, 52,696.86 and 11,755.92 is: 17,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,129.40 : 52,696.86 = 11,755.92 : x
  2. Step 2: Convert to fraction form
    35,129.40/52,696.86 = 11,755.92/x
  3. Step 3: Cross multiply
    35,129.40x = 52,696.86 × 11,755.92
  4. Step 4: Simplify right side
    35,129.40x = 619,500,070.41
  5. Step 5: Solve for x
    x = 619,500,070.41/35,129.40
  6. Step 6: Final answer
    x = 17,634.80

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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.