Home / 38,181.48-52,690.26-21,414.48

Finding the Fourth Proportional to 38,181.48, 52,690.26 and 21,414.48

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Solution

The fourth proportional to 38,181.48, 52,690.26 and 21,414.48 is: 29,551.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181.48 : 52,690.26 = 21,414.48 : x
  2. Step 2: Convert to fraction form
    38,181.48/52,690.26 = 21,414.48/x
  3. Step 3: Cross multiply
    38,181.48x = 52,690.26 × 21,414.48
  4. Step 4: Simplify right side
    38,181.48x = 1,128,334,518.96
  5. Step 5: Solve for x
    x = 1,128,334,518.96/38,181.48
  6. Step 6: Final answer
    x = 29,551.88

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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.