Home / 43,512.18-65,241.75-18,538.26

Finding the Fourth Proportional to 43,512.18, 65,241.75 and 18,538.26

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Solution

The fourth proportional to 43,512.18, 65,241.75 and 18,538.26 is: 27,796.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,512.18 : 65,241.75 = 18,538.26 : x
  2. Step 2: Convert to fraction form
    43,512.18/65,241.75 = 18,538.26/x
  3. Step 3: Cross multiply
    43,512.18x = 65,241.75 × 18,538.26
  4. Step 4: Simplify right side
    43,512.18x = 1,209,468,524.36
  5. Step 5: Solve for x
    x = 1,209,468,524.36/43,512.18
  6. Step 6: Final answer
    x = 27,796.09

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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.