Home / 41,487.40-62,231.10-11,906.20

Finding the Fourth Proportional to 41,487.40, 62,231.10 and 11,906.20

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Solution

The fourth proportional to 41,487.40, 62,231.10 and 11,906.20 is: 17,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,487.40 : 62,231.10 = 11,906.20 : x
  2. Step 2: Convert to fraction form
    41,487.40/62,231.10 = 11,906.20/x
  3. Step 3: Cross multiply
    41,487.40x = 62,231.10 × 11,906.20
  4. Step 4: Simplify right side
    41,487.40x = 740,935,922.82
  5. Step 5: Solve for x
    x = 740,935,922.82/41,487.40
  6. Step 6: Final answer
    x = 17,859.30

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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.