Home / 55,425.04-83,087.22-22,138

Finding the Fourth Proportional to 55,425.04, 83,087.22 and 22,138

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Solution

The fourth proportional to 55,425.04, 83,087.22 and 22,138 is: 33,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,425.04 : 83,087.22 = 22,138 : x
  2. Step 2: Convert to fraction form
    55,425.04/83,087.22 = 22,138/x
  3. Step 3: Cross multiply
    55,425.04x = 83,087.22 × 22,138
  4. Step 4: Simplify right side
    55,425.04x = 1,839,384,876.36
  5. Step 5: Solve for x
    x = 1,839,384,876.36/55,425.04
  6. Step 6: Final answer
    x = 33,186.89

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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.