Home / 38,181.88-57,261.84-15,994.72

Finding the Fourth Proportional to 38,181.88, 57,261.84 and 15,994.72

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Solution

The fourth proportional to 38,181.88, 57,261.84 and 15,994.72 is: 23,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181.88 : 57,261.84 = 15,994.72 : x
  2. Step 2: Convert to fraction form
    38,181.88/57,261.84 = 15,994.72/x
  3. Step 3: Cross multiply
    38,181.88x = 57,261.84 × 15,994.72
  4. Step 4: Simplify right side
    38,181.88x = 915,887,097.48
  5. Step 5: Solve for x
    x = 915,887,097.48/38,181.88
  6. Step 6: Final answer
    x = 23,987.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.