Home / 38,170.92-52,673.22-21,174.48

Finding the Fourth Proportional to 38,170.92, 52,673.22 and 21,174.48

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Solution

The fourth proportional to 38,170.92, 52,673.22 and 21,174.48 is: 29,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,170.92 : 52,673.22 = 21,174.48 : x
  2. Step 2: Convert to fraction form
    38,170.92/52,673.22 = 21,174.48/x
  3. Step 3: Cross multiply
    38,170.92x = 52,673.22 × 21,174.48
  4. Step 4: Simplify right side
    38,170.92x = 1,115,328,043.43
  5. Step 5: Solve for x
    x = 1,115,328,043.43/38,170.92
  6. Step 6: Final answer
    x = 29,219.31

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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.