Home / 55,283.80-82,896.26-21,986.68

Finding the Fourth Proportional to 55,283.80, 82,896.26 and 21,986.68

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Solution

The fourth proportional to 55,283.80, 82,896.26 and 21,986.68 is: 32,968.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,283.80 : 82,896.26 = 21,986.68 : x
  2. Step 2: Convert to fraction form
    55,283.80/82,896.26 = 21,986.68/x
  3. Step 3: Cross multiply
    55,283.80x = 82,896.26 × 21,986.68
  4. Step 4: Simplify right side
    55,283.80x = 1,822,613,541.82
  5. Step 5: Solve for x
    x = 1,822,613,541.82/55,283.80
  6. Step 6: Final answer
    x = 32,968.31

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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.