Home / 38,181.76-52,689.82-21,185.94

Finding the Fourth Proportional to 38,181.76, 52,689.82 and 21,185.94

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Solution

The fourth proportional to 38,181.76, 52,689.82 and 21,185.94 is: 29,236.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181.76 : 52,689.82 = 21,185.94 : x
  2. Step 2: Convert to fraction form
    38,181.76/52,689.82 = 21,185.94/x
  3. Step 3: Cross multiply
    38,181.76x = 52,689.82 × 21,185.94
  4. Step 4: Simplify right side
    38,181.76x = 1,116,283,365.13
  5. Step 5: Solve for x
    x = 1,116,283,365.13/38,181.76
  6. Step 6: Final answer
    x = 29,236.04

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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.