Home / 55,090.26-82,642.74-21,802.54

Finding the Fourth Proportional to 55,090.26, 82,642.74 and 21,802.54

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Solution

The fourth proportional to 55,090.26, 82,642.74 and 21,802.54 is: 32,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,090.26 : 82,642.74 = 21,802.54 : x
  2. Step 2: Convert to fraction form
    55,090.26/82,642.74 = 21,802.54/x
  3. Step 3: Cross multiply
    55,090.26x = 82,642.74 × 21,802.54
  4. Step 4: Simplify right side
    55,090.26x = 1,801,821,644.56
  5. Step 5: Solve for x
    x = 1,801,821,644.56/55,090.26
  6. Step 6: Final answer
    x = 32,706.72

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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.