Home / 38,171.25-52,676.64-21,176.60

Finding the Fourth Proportional to 38,171.25, 52,676.64 and 21,176.60

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Solution

The fourth proportional to 38,171.25, 52,676.64 and 21,176.60 is: 29,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,171.25 : 52,676.64 = 21,176.60 : x
  2. Step 2: Convert to fraction form
    38,171.25/52,676.64 = 21,176.60/x
  3. Step 3: Cross multiply
    38,171.25x = 52,676.64 × 21,176.60
  4. Step 4: Simplify right side
    38,171.25x = 1,115,512,134.62
  5. Step 5: Solve for x
    x = 1,115,512,134.62/38,171.25
  6. Step 6: Final answer
    x = 29,223.88

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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.