Home / 38,167.72-52,672.30-21,171.41

Finding the Fourth Proportional to 38,167.72, 52,672.30 and 21,171.41

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Solution

The fourth proportional to 38,167.72, 52,672.30 and 21,171.41 is: 29,217.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,167.72 : 52,672.30 = 21,171.41 : x
  2. Step 2: Convert to fraction form
    38,167.72/52,672.30 = 21,171.41/x
  3. Step 3: Cross multiply
    38,167.72x = 52,672.30 × 21,171.41
  4. Step 4: Simplify right side
    38,167.72x = 1,115,146,858.94
  5. Step 5: Solve for x
    x = 1,115,146,858.94/38,167.72
  6. Step 6: Final answer
    x = 29,217.02

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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.