Home / 38,171.33-52,676.57-21,175.91

Finding the Fourth Proportional to 38,171.33, 52,676.57 and 21,175.91

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Solution

The fourth proportional to 38,171.33, 52,676.57 and 21,175.91 is: 29,222.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,171.33 : 52,676.57 = 21,175.91 : x
  2. Step 2: Convert to fraction form
    38,171.33/52,676.57 = 21,175.91/x
  3. Step 3: Cross multiply
    38,171.33x = 52,676.57 × 21,175.91
  4. Step 4: Simplify right side
    38,171.33x = 1,115,474,490.06
  5. Step 5: Solve for x
    x = 1,115,474,490.06/38,171.33
  6. Step 6: Final answer
    x = 29,222.83

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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.