Home / 43,675.28-65,523.96-18,702.80

Finding the Fourth Proportional to 43,675.28, 65,523.96 and 18,702.80

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Solution

The fourth proportional to 43,675.28, 65,523.96 and 18,702.80 is: 28,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,675.28 : 65,523.96 = 18,702.80 : x
  2. Step 2: Convert to fraction form
    43,675.28/65,523.96 = 18,702.80/x
  3. Step 3: Cross multiply
    43,675.28x = 65,523.96 × 18,702.80
  4. Step 4: Simplify right side
    43,675.28x = 1,225,481,519.09
  5. Step 5: Solve for x
    x = 1,225,481,519.09/43,675.28
  6. Step 6: Final answer
    x = 28,058.93

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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.