Home / 38,164.98-52,665.82-21,169.90

Finding the Fourth Proportional to 38,164.98, 52,665.82 and 21,169.90

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Solution

The fourth proportional to 38,164.98, 52,665.82 and 21,169.90 is: 29,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,164.98 : 52,665.82 = 21,169.90 : x
  2. Step 2: Convert to fraction form
    38,164.98/52,665.82 = 21,169.90/x
  3. Step 3: Cross multiply
    38,164.98x = 52,665.82 × 21,169.90
  4. Step 4: Simplify right side
    38,164.98x = 1,114,930,142.82
  5. Step 5: Solve for x
    x = 1,114,930,142.82/38,164.98
  6. Step 6: Final answer
    x = 29,213.43

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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.