Home / 41,999.45-62,980.34-12,406.91

Finding the Fourth Proportional to 41,999.45, 62,980.34 and 12,406.91

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Solution

The fourth proportional to 41,999.45, 62,980.34 and 12,406.91 is: 18,604.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,999.45 : 62,980.34 = 12,406.91 : x
  2. Step 2: Convert to fraction form
    41,999.45/62,980.34 = 12,406.91/x
  3. Step 3: Cross multiply
    41,999.45x = 62,980.34 × 12,406.91
  4. Step 4: Simplify right side
    41,999.45x = 781,391,033.21
  5. Step 5: Solve for x
    x = 781,391,033.21/41,999.45
  6. Step 6: Final answer
    x = 18,604.79

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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.