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Finding the Fourth Proportional to 67,507.35, 101,241.68 and 20,120.46

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Solution

The fourth proportional to 67,507.35, 101,241.68 and 20,120.46 is: 30,174.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,507.35 : 101,241.68 = 20,120.46 : x
  2. Step 2: Convert to fraction form
    67,507.35/101,241.68 = 20,120.46/x
  3. Step 3: Cross multiply
    67,507.35x = 101,241.68 × 20,120.46
  4. Step 4: Simplify right side
    67,507.35x = 2,037,029,072.17
  5. Step 5: Solve for x
    x = 2,037,029,072.17/67,507.35
  6. Step 6: Final answer
    x = 30,174.92

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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.