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Finding the Fourth Proportional to 63,489, 87,614.82 and 36,998.12

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Solution

The fourth proportional to 63,489, 87,614.82 and 36,998.12 is: 51,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,489 : 87,614.82 = 36,998.12 : x
  2. Step 2: Convert to fraction form
    63,489/87,614.82 = 36,998.12/x
  3. Step 3: Cross multiply
    63,489x = 87,614.82 × 36,998.12
  4. Step 4: Simplify right side
    63,489x = 3,241,583,624.14
  5. Step 5: Solve for x
    x = 3,241,583,624.14/63,489
  6. Step 6: Final answer
    x = 51,057.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.