Home / 43,198.88-64,802.03-12,034.13

Finding the Fourth Proportional to 43,198.88, 64,802.03 and 12,034.13

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Solution

The fourth proportional to 43,198.88, 64,802.03 and 12,034.13 is: 18,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,198.88 : 64,802.03 = 12,034.13 : x
  2. Step 2: Convert to fraction form
    43,198.88/64,802.03 = 12,034.13/x
  3. Step 3: Cross multiply
    43,198.88x = 64,802.03 × 12,034.13
  4. Step 4: Simplify right side
    43,198.88x = 779,835,669.10
  5. Step 5: Solve for x
    x = 779,835,669.10/43,198.88
  6. Step 6: Final answer
    x = 18,052.22

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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.