Home / 55,122.24-82,669.68-21,830.88

Finding the Fourth Proportional to 55,122.24, 82,669.68 and 21,830.88

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Solution

The fourth proportional to 55,122.24, 82,669.68 and 21,830.88 is: 32,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,122.24 : 82,669.68 = 21,830.88 : x
  2. Step 2: Convert to fraction form
    55,122.24/82,669.68 = 21,830.88/x
  3. Step 3: Cross multiply
    55,122.24x = 82,669.68 × 21,830.88
  4. Step 4: Simplify right side
    55,122.24x = 1,804,751,863.72
  5. Step 5: Solve for x
    x = 1,804,751,863.72/55,122.24
  6. Step 6: Final answer
    x = 32,740.90

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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.