Home / 55,020.84-82,531.58-13,467.88

Finding the Fourth Proportional to 55,020.84, 82,531.58 and 13,467.88

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Solution

The fourth proportional to 55,020.84, 82,531.58 and 13,467.88 is: 20,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,020.84 : 82,531.58 = 13,467.88 : x
  2. Step 2: Convert to fraction form
    55,020.84/82,531.58 = 13,467.88/x
  3. Step 3: Cross multiply
    55,020.84x = 82,531.58 × 13,467.88
  4. Step 4: Simplify right side
    55,020.84x = 1,111,525,415.65
  5. Step 5: Solve for x
    x = 1,111,525,415.65/55,020.84
  6. Step 6: Final answer
    x = 20,201.90

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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.