Home / 43,228.12-64,871.34-16,929.58

Finding the Fourth Proportional to 43,228.12, 64,871.34 and 16,929.58

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Solution

The fourth proportional to 43,228.12, 64,871.34 and 16,929.58 is: 25,405.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,228.12 : 64,871.34 = 16,929.58 : x
  2. Step 2: Convert to fraction form
    43,228.12/64,871.34 = 16,929.58/x
  3. Step 3: Cross multiply
    43,228.12x = 64,871.34 × 16,929.58
  4. Step 4: Simplify right side
    43,228.12x = 1,098,244,540.24
  5. Step 5: Solve for x
    x = 1,098,244,540.24/43,228.12
  6. Step 6: Final answer
    x = 25,405.79

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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.