Home / 43,811.75-65,854.80-28,914.60

Finding the Fourth Proportional to 43,811.75, 65,854.80 and 28,914.60

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Solution

The fourth proportional to 43,811.75, 65,854.80 and 28,914.60 is: 43,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,811.75 : 65,854.80 = 28,914.60 : x
  2. Step 2: Convert to fraction form
    43,811.75/65,854.80 = 28,914.60/x
  3. Step 3: Cross multiply
    43,811.75x = 65,854.80 × 28,914.60
  4. Step 4: Simplify right side
    43,811.75x = 1,904,165,200.08
  5. Step 5: Solve for x
    x = 1,904,165,200.08/43,811.75
  6. Step 6: Final answer
    x = 43,462.43

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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.