Home / 43,667.52-65,505.39-12,076.30

Finding the Fourth Proportional to 43,667.52, 65,505.39 and 12,076.30

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Solution

The fourth proportional to 43,667.52, 65,505.39 and 12,076.30 is: 18,115.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,667.52 : 65,505.39 = 12,076.30 : x
  2. Step 2: Convert to fraction form
    43,667.52/65,505.39 = 12,076.30/x
  3. Step 3: Cross multiply
    43,667.52x = 65,505.39 × 12,076.30
  4. Step 4: Simplify right side
    43,667.52x = 791,062,741.26
  5. Step 5: Solve for x
    x = 791,062,741.26/43,667.52
  6. Step 6: Final answer
    x = 18,115.59

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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.