Home / 43,530.50-65,295.74-28,735.95

Finding the Fourth Proportional to 43,530.50, 65,295.74 and 28,735.95

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Solution

The fourth proportional to 43,530.50, 65,295.74 and 28,735.95 is: 43,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,530.50 : 65,295.74 = 28,735.95 : x
  2. Step 2: Convert to fraction form
    43,530.50/65,295.74 = 28,735.95/x
  3. Step 3: Cross multiply
    43,530.50x = 65,295.74 × 28,735.95
  4. Step 4: Simplify right side
    43,530.50x = 1,876,335,191.69
  5. Step 5: Solve for x
    x = 1,876,335,191.69/43,530.50
  6. Step 6: Final answer
    x = 43,103.92

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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.