Home / 38,972.08-53,782.68-22,204

Finding the Fourth Proportional to 38,972.08, 53,782.68 and 22,204

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Solution

The fourth proportional to 38,972.08, 53,782.68 and 22,204 is: 30,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,972.08 : 53,782.68 = 22,204 : x
  2. Step 2: Convert to fraction form
    38,972.08/53,782.68 = 22,204/x
  3. Step 3: Cross multiply
    38,972.08x = 53,782.68 × 22,204
  4. Step 4: Simplify right side
    38,972.08x = 1,194,190,626.72
  5. Step 5: Solve for x
    x = 1,194,190,626.72/38,972.08
  6. Step 6: Final answer
    x = 30,642.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.