Home / 55,172.30-82,778.49-27,089.36

Finding the Fourth Proportional to 55,172.30, 82,778.49 and 27,089.36

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Solution

The fourth proportional to 55,172.30, 82,778.49 and 27,089.36 is: 40,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,172.30 : 82,778.49 = 27,089.36 : x
  2. Step 2: Convert to fraction form
    55,172.30/82,778.49 = 27,089.36/x
  3. Step 3: Cross multiply
    55,172.30x = 82,778.49 × 27,089.36
  4. Step 4: Simplify right side
    55,172.30x = 2,242,416,315.87
  5. Step 5: Solve for x
    x = 2,242,416,315.87/55,172.30
  6. Step 6: Final answer
    x = 40,643.88

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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.