Home / 40,481.30-60,726-12,401.04

Finding the Fourth Proportional to 40,481.30, 60,726 and 12,401.04

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Solution

The fourth proportional to 40,481.30, 60,726 and 12,401.04 is: 18,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,481.30 : 60,726 = 12,401.04 : x
  2. Step 2: Convert to fraction form
    40,481.30/60,726 = 12,401.04/x
  3. Step 3: Cross multiply
    40,481.30x = 60,726 × 12,401.04
  4. Step 4: Simplify right side
    40,481.30x = 753,065,555.04
  5. Step 5: Solve for x
    x = 753,065,555.04/40,481.30
  6. Step 6: Final answer
    x = 18,602.80

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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.