Home / 43,530.25-65,295.37-28,735.70

Finding the Fourth Proportional to 43,530.25, 65,295.37 and 28,735.70

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Solution

The fourth proportional to 43,530.25, 65,295.37 and 28,735.70 is: 43,103.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,530.25 : 65,295.37 = 28,735.70 : x
  2. Step 2: Convert to fraction form
    43,530.25/65,295.37 = 28,735.70/x
  3. Step 3: Cross multiply
    43,530.25x = 65,295.37 × 28,735.70
  4. Step 4: Simplify right side
    43,530.25x = 1,876,308,020.03
  5. Step 5: Solve for x
    x = 1,876,308,020.03/43,530.25
  6. Step 6: Final answer
    x = 43,103.54

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1.5x scale

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.