Home / 43,554.78-65,304.09-18,611.10

Finding the Fourth Proportional to 43,554.78, 65,304.09 and 18,611.10

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Solution

The fourth proportional to 43,554.78, 65,304.09 and 18,611.10 is: 27,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,554.78 : 65,304.09 = 18,611.10 : x
  2. Step 2: Convert to fraction form
    43,554.78/65,304.09 = 18,611.10/x
  3. Step 3: Cross multiply
    43,554.78x = 65,304.09 × 18,611.10
  4. Step 4: Simplify right side
    43,554.78x = 1,215,380,949.40
  5. Step 5: Solve for x
    x = 1,215,380,949.40/43,554.78
  6. Step 6: Final answer
    x = 27,904.65

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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.