Home / 43,650.90-65,425.19-20,228.13

Finding the Fourth Proportional to 43,650.90, 65,425.19 and 20,228.13

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Solution

The fourth proportional to 43,650.90, 65,425.19 and 20,228.13 is: 30,318.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,650.90 : 65,425.19 = 20,228.13 : x
  2. Step 2: Convert to fraction form
    43,650.90/65,425.19 = 20,228.13/x
  3. Step 3: Cross multiply
    43,650.90x = 65,425.19 × 20,228.13
  4. Step 4: Simplify right side
    43,650.90x = 1,323,429,147.45
  5. Step 5: Solve for x
    x = 1,323,429,147.45/43,650.90
  6. Step 6: Final answer
    x = 30,318.48

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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.