Home / 43,618.46-65,429.03-12,029.06

Finding the Fourth Proportional to 43,618.46, 65,429.03 and 12,029.06

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Solution

The fourth proportional to 43,618.46, 65,429.03 and 12,029.06 is: 18,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,618.46 : 65,429.03 = 12,029.06 : x
  2. Step 2: Convert to fraction form
    43,618.46/65,429.03 = 12,029.06/x
  3. Step 3: Cross multiply
    43,618.46x = 65,429.03 × 12,029.06
  4. Step 4: Simplify right side
    43,618.46x = 787,049,921.26
  5. Step 5: Solve for x
    x = 787,049,921.26/43,618.46
  6. Step 6: Final answer
    x = 18,043.97

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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.