Home / 57,003.04-85,479.91-21,918.09

Finding the Fourth Proportional to 57,003.04, 85,479.91 and 21,918.09

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Solution

The fourth proportional to 57,003.04, 85,479.91 and 21,918.09 is: 32,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,003.04 : 85,479.91 = 21,918.09 : x
  2. Step 2: Convert to fraction form
    57,003.04/85,479.91 = 21,918.09/x
  3. Step 3: Cross multiply
    57,003.04x = 85,479.91 × 21,918.09
  4. Step 4: Simplify right side
    57,003.04x = 1,873,556,626.33
  5. Step 5: Solve for x
    x = 1,873,556,626.33/57,003.04
  6. Step 6: Final answer
    x = 32,867.66

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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.