Home / 35,679.96-53,517.87-10,719.45

Finding the Fourth Proportional to 35,679.96, 53,517.87 and 10,719.45

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Solution

The fourth proportional to 35,679.96, 53,517.87 and 10,719.45 is: 16,078.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,679.96 : 53,517.87 = 10,719.45 : x
  2. Step 2: Convert to fraction form
    35,679.96/53,517.87 = 10,719.45/x
  3. Step 3: Cross multiply
    35,679.96x = 53,517.87 × 10,719.45
  4. Step 4: Simplify right side
    35,679.96x = 573,682,131.57
  5. Step 5: Solve for x
    x = 573,682,131.57/35,679.96
  6. Step 6: Final answer
    x = 16,078.55

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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.