Home / 41,990.46-62,996.04-12,408.18

Finding the Fourth Proportional to 41,990.46, 62,996.04 and 12,408.18

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Solution

The fourth proportional to 41,990.46, 62,996.04 and 12,408.18 is: 18,615.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,990.46 : 62,996.04 = 12,408.18 : x
  2. Step 2: Convert to fraction form
    41,990.46/62,996.04 = 12,408.18/x
  3. Step 3: Cross multiply
    41,990.46x = 62,996.04 × 12,408.18
  4. Step 4: Simplify right side
    41,990.46x = 781,666,203.61
  5. Step 5: Solve for x
    x = 781,666,203.61/41,990.46
  6. Step 6: Final answer
    x = 18,615.33

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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.