Home / 43,561.60-65,350.32-28,782.88

Finding the Fourth Proportional to 43,561.60, 65,350.32 and 28,782.88

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Solution

The fourth proportional to 43,561.60, 65,350.32 and 28,782.88 is: 43,179.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,561.60 : 65,350.32 = 28,782.88 : x
  2. Step 2: Convert to fraction form
    43,561.60/65,350.32 = 28,782.88/x
  3. Step 3: Cross multiply
    43,561.60x = 65,350.32 × 28,782.88
  4. Step 4: Simplify right side
    43,561.60x = 1,880,970,418.52
  5. Step 5: Solve for x
    x = 1,880,970,418.52/43,561.60
  6. Step 6: Final answer
    x = 43,179.55

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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.