Home / 55,072.26-82,608.47-13,519.26

Finding the Fourth Proportional to 55,072.26, 82,608.47 and 13,519.26

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Solution

The fourth proportional to 55,072.26, 82,608.47 and 13,519.26 is: 20,278.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,072.26 : 82,608.47 = 13,519.26 : x
  2. Step 2: Convert to fraction form
    55,072.26/82,608.47 = 13,519.26/x
  3. Step 3: Cross multiply
    55,072.26x = 82,608.47 × 13,519.26
  4. Step 4: Simplify right side
    55,072.26x = 1,116,805,417.93
  5. Step 5: Solve for x
    x = 1,116,805,417.93/55,072.26
  6. Step 6: Final answer
    x = 20,278.91

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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.