Home / 38,166.12-52,672.41-21,174.48

Finding the Fourth Proportional to 38,166.12, 52,672.41 and 21,174.48

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Solution

The fourth proportional to 38,166.12, 52,672.41 and 21,174.48 is: 29,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,166.12 : 52,672.41 = 21,174.48 : x
  2. Step 2: Convert to fraction form
    38,166.12/52,672.41 = 21,174.48/x
  3. Step 3: Cross multiply
    38,166.12x = 52,672.41 × 21,174.48
  4. Step 4: Simplify right side
    38,166.12x = 1,115,310,892.10
  5. Step 5: Solve for x
    x = 1,115,310,892.10/38,166.12
  6. Step 6: Final answer
    x = 29,222.54

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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.