Home / 55,786.22-83,679.78-20,725.88

Finding the Fourth Proportional to 55,786.22, 83,679.78 and 20,725.88

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Solution

The fourth proportional to 55,786.22, 83,679.78 and 20,725.88 is: 31,088.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,786.22 : 83,679.78 = 20,725.88 : x
  2. Step 2: Convert to fraction form
    55,786.22/83,679.78 = 20,725.88/x
  3. Step 3: Cross multiply
    55,786.22x = 83,679.78 × 20,725.88
  4. Step 4: Simplify right side
    55,786.22x = 1,734,336,738.03
  5. Step 5: Solve for x
    x = 1,734,336,738.03/55,786.22
  6. Step 6: Final answer
    x = 31,088.98

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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.