Home / 55,292.83-82,936.51-20,229.75

Finding the Fourth Proportional to 55,292.83, 82,936.51 and 20,229.75

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Solution

The fourth proportional to 55,292.83, 82,936.51 and 20,229.75 is: 30,343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,292.83 : 82,936.51 = 20,229.75 : x
  2. Step 2: Convert to fraction form
    55,292.83/82,936.51 = 20,229.75/x
  3. Step 3: Cross multiply
    55,292.83x = 82,936.51 × 20,229.75
  4. Step 4: Simplify right side
    55,292.83x = 1,677,784,812.60
  5. Step 5: Solve for x
    x = 1,677,784,812.60/55,292.83
  6. Step 6: Final answer
    x = 30,343.62

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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.