Home / 43,722.24-65,587.38-18,756.66

Finding the Fourth Proportional to 43,722.24, 65,587.38 and 18,756.66

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Solution

The fourth proportional to 43,722.24, 65,587.38 and 18,756.66 is: 28,136.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,722.24 : 65,587.38 = 18,756.66 : x
  2. Step 2: Convert to fraction form
    43,722.24/65,587.38 = 18,756.66/x
  3. Step 3: Cross multiply
    43,722.24x = 65,587.38 × 18,756.66
  4. Step 4: Simplify right side
    43,722.24x = 1,230,200,186.95
  5. Step 5: Solve for x
    x = 1,230,200,186.95/43,722.24
  6. Step 6: Final answer
    x = 28,136.71

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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.