Home / 35,451.75-53,145.44-17,687.84

Finding the Fourth Proportional to 35,451.75, 53,145.44 and 17,687.84

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Solution

The fourth proportional to 35,451.75, 53,145.44 and 17,687.84 is: 26,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,451.75 : 53,145.44 = 17,687.84 : x
  2. Step 2: Convert to fraction form
    35,451.75/53,145.44 = 17,687.84/x
  3. Step 3: Cross multiply
    35,451.75x = 53,145.44 × 17,687.84
  4. Step 4: Simplify right side
    35,451.75x = 940,027,884.58
  5. Step 5: Solve for x
    x = 940,027,884.58/35,451.75
  6. Step 6: Final answer
    x = 26,515.70

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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.