Home / 38,401.96-52,993.92-21,634.96

Finding the Fourth Proportional to 38,401.96, 52,993.92 and 21,634.96

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Solution

The fourth proportional to 38,401.96, 52,993.92 and 21,634.96 is: 29,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,401.96 : 52,993.92 = 21,634.96 : x
  2. Step 2: Convert to fraction form
    38,401.96/52,993.92 = 21,634.96/x
  3. Step 3: Cross multiply
    38,401.96x = 52,993.92 × 21,634.96
  4. Step 4: Simplify right side
    38,401.96x = 1,146,521,339.44
  5. Step 5: Solve for x
    x = 1,146,521,339.44/38,401.96
  6. Step 6: Final answer
    x = 29,855.80

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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.