Home / 43,725.24-65,573.87-18,758.57

Finding the Fourth Proportional to 43,725.24, 65,573.87 and 18,758.57

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Solution

The fourth proportional to 43,725.24, 65,573.87 and 18,758.57 is: 28,131.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,725.24 : 65,573.87 = 18,758.57 : x
  2. Step 2: Convert to fraction form
    43,725.24/65,573.87 = 18,758.57/x
  3. Step 3: Cross multiply
    43,725.24x = 65,573.87 × 18,758.57
  4. Step 4: Simplify right side
    43,725.24x = 1,230,071,608.90
  5. Step 5: Solve for x
    x = 1,230,071,608.90/43,725.24
  6. Step 6: Final answer
    x = 28,131.84

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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.