Home / 48,146.88-72,181.20-20,087.84

Finding the Fourth Proportional to 48,146.88, 72,181.20 and 20,087.84

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Solution

The fourth proportional to 48,146.88, 72,181.20 and 20,087.84 is: 30,115.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,146.88 : 72,181.20 = 20,087.84 : x
  2. Step 2: Convert to fraction form
    48,146.88/72,181.20 = 20,087.84/x
  3. Step 3: Cross multiply
    48,146.88x = 72,181.20 × 20,087.84
  4. Step 4: Simplify right side
    48,146.88x = 1,449,964,539.40
  5. Step 5: Solve for x
    x = 1,449,964,539.40/48,146.88
  6. Step 6: Final answer
    x = 30,115.44

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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.