Home / 38,169.70-52,671.56-21,173.27

Finding the Fourth Proportional to 38,169.70, 52,671.56 and 21,173.27

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Solution

The fourth proportional to 38,169.70, 52,671.56 and 21,173.27 is: 29,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,169.70 : 52,671.56 = 21,173.27 : x
  2. Step 2: Convert to fraction form
    38,169.70/52,671.56 = 21,173.27/x
  3. Step 3: Cross multiply
    38,169.70x = 52,671.56 × 21,173.27
  4. Step 4: Simplify right side
    38,169.70x = 1,115,228,791.98
  5. Step 5: Solve for x
    x = 1,115,228,791.98/38,169.70
  6. Step 6: Final answer
    x = 29,217.65

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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.