Home / 55,209.80-82,816.06-20,149.44

Finding the Fourth Proportional to 55,209.80, 82,816.06 and 20,149.44

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Solution

The fourth proportional to 55,209.80, 82,816.06 and 20,149.44 is: 30,224.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,209.80 : 82,816.06 = 20,149.44 : x
  2. Step 2: Convert to fraction form
    55,209.80/82,816.06 = 20,149.44/x
  3. Step 3: Cross multiply
    55,209.80x = 82,816.06 × 20,149.44
  4. Step 4: Simplify right side
    55,209.80x = 1,668,697,232.01
  5. Step 5: Solve for x
    x = 1,668,697,232.01/55,209.80
  6. Step 6: Final answer
    x = 30,224.66

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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.