Home / 43,611.33-65,406.06-18,639.03

Finding the Fourth Proportional to 43,611.33, 65,406.06 and 18,639.03

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Solution

The fourth proportional to 43,611.33, 65,406.06 and 18,639.03 is: 27,953.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,611.33 : 65,406.06 = 18,639.03 : x
  2. Step 2: Convert to fraction form
    43,611.33/65,406.06 = 18,639.03/x
  3. Step 3: Cross multiply
    43,611.33x = 65,406.06 × 18,639.03
  4. Step 4: Simplify right side
    43,611.33x = 1,219,105,514.52
  5. Step 5: Solve for x
    x = 1,219,105,514.52/43,611.33
  6. Step 6: Final answer
    x = 27,953.87

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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.