Home / 38,181.51-52,690.77-21,185.82

Finding the Fourth Proportional to 38,181.51, 52,690.77 and 21,185.82

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Solution

The fourth proportional to 38,181.51, 52,690.77 and 21,185.82 is: 29,236.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181.51 : 52,690.77 = 21,185.82 : x
  2. Step 2: Convert to fraction form
    38,181.51/52,690.77 = 21,185.82/x
  3. Step 3: Cross multiply
    38,181.51x = 52,690.77 × 21,185.82
  4. Step 4: Simplify right side
    38,181.51x = 1,116,297,168.88
  5. Step 5: Solve for x
    x = 1,116,297,168.88/38,181.51
  6. Step 6: Final answer
    x = 29,236.59

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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.