Home / 55,241.04-82,871.30-20,229.60

Finding the Fourth Proportional to 55,241.04, 82,871.30 and 20,229.60

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Solution

The fourth proportional to 55,241.04, 82,871.30 and 20,229.60 is: 30,347.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,241.04 : 82,871.30 = 20,229.60 : x
  2. Step 2: Convert to fraction form
    55,241.04/82,871.30 = 20,229.60/x
  3. Step 3: Cross multiply
    55,241.04x = 82,871.30 × 20,229.60
  4. Step 4: Simplify right side
    55,241.04x = 1,676,453,250.48
  5. Step 5: Solve for x
    x = 1,676,453,250.48/55,241.04
  6. Step 6: Final answer
    x = 30,347.97

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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.