Home / 38,168.87-52,673.36-21,174.23

Finding the Fourth Proportional to 38,168.87, 52,673.36 and 21,174.23

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Solution

The fourth proportional to 38,168.87, 52,673.36 and 21,174.23 is: 29,220.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,168.87 : 52,673.36 = 21,174.23 : x
  2. Step 2: Convert to fraction form
    38,168.87/52,673.36 = 21,174.23/x
  3. Step 3: Cross multiply
    38,168.87x = 52,673.36 × 21,174.23
  4. Step 4: Simplify right side
    38,168.87x = 1,115,317,470.27
  5. Step 5: Solve for x
    x = 1,115,317,470.27/38,168.87
  6. Step 6: Final answer
    x = 29,220.61

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1.5x scale

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.