Home / 55,405.44-83,141.04-22,141.20

Finding the Fourth Proportional to 55,405.44, 83,141.04 and 22,141.20

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Solution

The fourth proportional to 55,405.44, 83,141.04 and 22,141.20 is: 33,224.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,405.44 : 83,141.04 = 22,141.20 : x
  2. Step 2: Convert to fraction form
    55,405.44/83,141.04 = 22,141.20/x
  3. Step 3: Cross multiply
    55,405.44x = 83,141.04 × 22,141.20
  4. Step 4: Simplify right side
    55,405.44x = 1,840,842,394.85
  5. Step 5: Solve for x
    x = 1,840,842,394.85/55,405.44
  6. Step 6: Final answer
    x = 33,224.94

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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.